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Finding the Fourth Proportional to 62,787.66, 94,087.17 and 56,860.62

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Solution

The fourth proportional to 62,787.66, 94,087.17 and 56,860.62 is: 85,205.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,787.66 : 94,087.17 = 56,860.62 : x
  2. Step 2: Convert to fraction form
    62,787.66/94,087.17 = 56,860.62/x
  3. Step 3: Cross multiply
    62,787.66x = 94,087.17 × 56,860.62
  4. Step 4: Simplify right side
    62,787.66x = 5,349,854,820.25
  5. Step 5: Solve for x
    x = 5,349,854,820.25/62,787.66
  6. Step 6: Final answer
    x = 85,205.51

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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.