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Finding the Fourth Proportional to 54,484.87, 81,732.01 and 15,041.99

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Solution

The fourth proportional to 54,484.87, 81,732.01 and 15,041.99 is: 22,564.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,484.87 : 81,732.01 = 15,041.99 : x
  2. Step 2: Convert to fraction form
    54,484.87/81,732.01 = 15,041.99/x
  3. Step 3: Cross multiply
    54,484.87x = 81,732.01 × 15,041.99
  4. Step 4: Simplify right side
    54,484.87x = 1,229,412,077.10
  5. Step 5: Solve for x
    x = 1,229,412,077.10/54,484.87
  6. Step 6: Final answer
    x = 22,564.28

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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.