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Finding the Fourth Proportional to 54,898.28, 82,347.48 and 13,345.28

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Solution

The fourth proportional to 54,898.28, 82,347.48 and 13,345.28 is: 20,017.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,898.28 : 82,347.48 = 13,345.28 : x
  2. Step 2: Convert to fraction form
    54,898.28/82,347.48 = 13,345.28/x
  3. Step 3: Cross multiply
    54,898.28x = 82,347.48 × 13,345.28
  4. Step 4: Simplify right side
    54,898.28x = 1,098,950,177.89
  5. Step 5: Solve for x
    x = 1,098,950,177.89/54,898.28
  6. Step 6: Final answer
    x = 20,017.93

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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.