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Finding the Fourth Proportional to 62,509.97, 86,246.70 and 35,642.68

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Solution

The fourth proportional to 62,509.97, 86,246.70 and 35,642.68 is: 49,177.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,509.97 : 86,246.70 = 35,642.68 : x
  2. Step 2: Convert to fraction form
    62,509.97/86,246.70 = 35,642.68/x
  3. Step 3: Cross multiply
    62,509.97x = 86,246.70 × 35,642.68
  4. Step 4: Simplify right side
    62,509.97x = 3,074,063,529.16
  5. Step 5: Solve for x
    x = 3,074,063,529.16/62,509.97
  6. Step 6: Final answer
    x = 49,177.17

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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.