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Finding the Fourth Proportional to 48,751.92, 73,127.88 and 17,154.54

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Solution

The fourth proportional to 48,751.92, 73,127.88 and 17,154.54 is: 25,731.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,751.92 : 73,127.88 = 17,154.54 : x
  2. Step 2: Convert to fraction form
    48,751.92/73,127.88 = 17,154.54/x
  3. Step 3: Cross multiply
    48,751.92x = 73,127.88 × 17,154.54
  4. Step 4: Simplify right side
    48,751.92x = 1,254,475,142.58
  5. Step 5: Solve for x
    x = 1,254,475,142.58/48,751.92
  6. Step 6: Final answer
    x = 25,731.81

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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.