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Finding the Fourth Proportional to 62,707.68, 86,538.24 and 35,854.56

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Solution

The fourth proportional to 62,707.68, 86,538.24 and 35,854.56 is: 49,480.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,707.68 : 86,538.24 = 35,854.56 : x
  2. Step 2: Convert to fraction form
    62,707.68/86,538.24 = 35,854.56/x
  3. Step 3: Cross multiply
    62,707.68x = 86,538.24 × 35,854.56
  4. Step 4: Simplify right side
    62,707.68x = 3,102,790,518.37
  5. Step 5: Solve for x
    x = 3,102,790,518.37/62,707.68
  6. Step 6: Final answer
    x = 49,480.23

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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.