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Finding the Fourth Proportional to 62,787.88, 94,229.34 and 31,649.32

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Solution

The fourth proportional to 62,787.88, 94,229.34 and 31,649.32 is: 47,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,787.88 : 94,229.34 = 31,649.32 : x
  2. Step 2: Convert to fraction form
    62,787.88/94,229.34 = 31,649.32/x
  3. Step 3: Cross multiply
    62,787.88x = 94,229.34 × 31,649.32
  4. Step 4: Simplify right side
    62,787.88x = 2,982,294,535.05
  5. Step 5: Solve for x
    x = 2,982,294,535.05/62,787.88
  6. Step 6: Final answer
    x = 47,497.93

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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.