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Finding the Fourth Proportional to 62,787.40, 94,213.40 and 34,702.22

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Solution

The fourth proportional to 62,787.40, 94,213.40 and 34,702.22 is: 52,071.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,787.40 : 94,213.40 = 34,702.22 : x
  2. Step 2: Convert to fraction form
    62,787.40/94,213.40 = 34,702.22/x
  3. Step 3: Cross multiply
    62,787.40x = 94,213.40 × 34,702.22
  4. Step 4: Simplify right side
    62,787.40x = 3,269,414,268.97
  5. Step 5: Solve for x
    x = 3,269,414,268.97/62,787.40
  6. Step 6: Final answer
    x = 52,071.18

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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.