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Finding the Fourth Proportional to 62,541.65, 86,320.51 and 57,497.88

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Solution

The fourth proportional to 62,541.65, 86,320.51 and 57,497.88 is: 79,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,541.65 : 86,320.51 = 57,497.88 : x
  2. Step 2: Convert to fraction form
    62,541.65/86,320.51 = 57,497.88/x
  3. Step 3: Cross multiply
    62,541.65x = 86,320.51 × 57,497.88
  4. Step 4: Simplify right side
    62,541.65x = 4,963,246,109.90
  5. Step 5: Solve for x
    x = 4,963,246,109.90/62,541.65
  6. Step 6: Final answer
    x = 79,359.05

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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.