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Finding the Fourth Proportional to 62,695.92, 86,520.36 and 35,839.01

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Solution

The fourth proportional to 62,695.92, 86,520.36 and 35,839.01 is: 49,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,695.92 : 86,520.36 = 35,839.01 : x
  2. Step 2: Convert to fraction form
    62,695.92/86,520.36 = 35,839.01/x
  3. Step 3: Cross multiply
    62,695.92x = 86,520.36 × 35,839.01
  4. Step 4: Simplify right side
    62,695.92x = 3,100,803,830.94
  5. Step 5: Solve for x
    x = 3,100,803,830.94/62,695.92
  6. Step 6: Final answer
    x = 49,457.82

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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.