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Finding the Fourth Proportional to 7,644,787.87, 10,549,808.72 and 4,207,028.91

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Solution

The fourth proportional to 7,644,787.87, 10,549,808.72 and 4,207,028.91 is: 5,805,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644,787.87 : 10,549,808.72 = 4,207,028.91 : x
  2. Step 2: Convert to fraction form
    7,644,787.87/10,549,808.72 = 4,207,028.91/x
  3. Step 3: Cross multiply
    7,644,787.87x = 10,549,808.72 × 4,207,028.91
  4. Step 4: Simplify right side
    7,644,787.87x = 44,383,350,280,010.10
  5. Step 5: Solve for x
    x = 44,383,350,280,010.10/7,644,787.87
  6. Step 6: Final answer
    x = 5,805,700.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.