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Finding the Fourth Proportional to 55,251.16, 82,864.80 and 15,797.68

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Solution

The fourth proportional to 55,251.16, 82,864.80 and 15,797.68 is: 23,693.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,251.16 : 82,864.80 = 15,797.68 : x
  2. Step 2: Convert to fraction form
    55,251.16/82,864.80 = 15,797.68/x
  3. Step 3: Cross multiply
    55,251.16x = 82,864.80 × 15,797.68
  4. Step 4: Simplify right side
    55,251.16x = 1,309,071,593.66
  5. Step 5: Solve for x
    x = 1,309,071,593.66/55,251.16
  6. Step 6: Final answer
    x = 23,693.11

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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.