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Finding the Fourth Proportional to 9,076,205.35, 12,738,573.95 and 9,076,205.35

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Solution

The fourth proportional to 9,076,205.35, 12,738,573.95 and 9,076,205.35 is: 12,738,573.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076,205.35 : 12,738,573.95 = 9,076,205.35 : x
  2. Step 2: Convert to fraction form
    9,076,205.35/12,738,573.95 = 9,076,205.35/x
  3. Step 3: Cross multiply
    9,076,205.35x = 12,738,573.95 × 9,076,205.35
  4. Step 4: Simplify right side
    9,076,205.35x = 115,617,913,036,360.62
  5. Step 5: Solve for x
    x = 115,617,913,036,360.62/9,076,205.35
  6. Step 6: Final answer
    x = 12,738,573.95

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.