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Finding the Fourth Proportional to 64,411.53, 88,842.94 and 62,243.97

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Solution

The fourth proportional to 64,411.53, 88,842.94 and 62,243.97 is: 85,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,411.53 : 88,842.94 = 62,243.97 : x
  2. Step 2: Convert to fraction form
    64,411.53/88,842.94 = 62,243.97/x
  3. Step 3: Cross multiply
    64,411.53x = 88,842.94 × 62,243.97
  4. Step 4: Simplify right side
    64,411.53x = 5,529,937,136.46
  5. Step 5: Solve for x
    x = 5,529,937,136.46/64,411.53
  6. Step 6: Final answer
    x = 85,853.22

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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.