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Finding the Fourth Proportional to 62,746.92, 86,059.80 and 55,661.04

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Solution

The fourth proportional to 62,746.92, 86,059.80 and 55,661.04 is: 76,341.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,746.92 : 86,059.80 = 55,661.04 : x
  2. Step 2: Convert to fraction form
    62,746.92/86,059.80 = 55,661.04/x
  3. Step 3: Cross multiply
    62,746.92x = 86,059.80 × 55,661.04
  4. Step 4: Simplify right side
    62,746.92x = 4,790,177,970.19
  5. Step 5: Solve for x
    x = 4,790,177,970.19/62,746.92
  6. Step 6: Final answer
    x = 76,341.24

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.