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Finding the Fourth Proportional to 62,640.63, 93,916.31 and 29,342.53

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Solution

The fourth proportional to 62,640.63, 93,916.31 and 29,342.53 is: 43,992.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,640.63 : 93,916.31 = 29,342.53 : x
  2. Step 2: Convert to fraction form
    62,640.63/93,916.31 = 29,342.53/x
  3. Step 3: Cross multiply
    62,640.63x = 93,916.31 × 29,342.53
  4. Step 4: Simplify right side
    62,640.63x = 2,755,742,411.47
  5. Step 5: Solve for x
    x = 2,755,742,411.47/62,640.63
  6. Step 6: Final answer
    x = 43,992.89

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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.