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Finding the Fourth Proportional to 16,345.80, 24,548.40 and 9,784.80

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Solution

The fourth proportional to 16,345.80, 24,548.40 and 9,784.80 is: 14,694.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,345.80 : 24,548.40 = 9,784.80 : x
  2. Step 2: Convert to fraction form
    16,345.80/24,548.40 = 9,784.80/x
  3. Step 3: Cross multiply
    16,345.80x = 24,548.40 × 9,784.80
  4. Step 4: Simplify right side
    16,345.80x = 240,201,184.32
  5. Step 5: Solve for x
    x = 240,201,184.32/16,345.80
  6. Step 6: Final answer
    x = 14,694.98

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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.