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Finding the Fourth Proportional to 62,478.80, 93,614.52 and 43,971.92

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Solution

The fourth proportional to 62,478.80, 93,614.52 and 43,971.92 is: 65,884.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,478.80 : 93,614.52 = 43,971.92 : x
  2. Step 2: Convert to fraction form
    62,478.80/93,614.52 = 43,971.92/x
  3. Step 3: Cross multiply
    62,478.80x = 93,614.52 × 43,971.92
  4. Step 4: Simplify right side
    62,478.80x = 4,116,410,184.28
  5. Step 5: Solve for x
    x = 4,116,410,184.28/62,478.80
  6. Step 6: Final answer
    x = 65,884.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.