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Finding the Fourth Proportional to 9,784,893.80, 14,677,340.70 and 9,076,305.80

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Solution

The fourth proportional to 9,784,893.80, 14,677,340.70 and 9,076,305.80 is: 13,614,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,784,893.80 : 14,677,340.70 = 9,076,305.80 : x
  2. Step 2: Convert to fraction form
    9,784,893.80/14,677,340.70 = 9,076,305.80/x
  3. Step 3: Cross multiply
    9,784,893.80x = 14,677,340.70 × 9,076,305.80
  4. Step 4: Simplify right side
    9,784,893.80x = 133,216,032,523,986.06
  5. Step 5: Solve for x
    x = 133,216,032,523,986.06/9,784,893.80
  6. Step 6: Final answer
    x = 13,614,458.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.