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Finding the Fourth Proportional to 54,898.65, 82,348.88 and 15,456.71

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Solution

The fourth proportional to 54,898.65, 82,348.88 and 15,456.71 is: 23,185.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,898.65 : 82,348.88 = 15,456.71 : x
  2. Step 2: Convert to fraction form
    54,898.65/82,348.88 = 15,456.71/x
  3. Step 3: Cross multiply
    54,898.65x = 82,348.88 × 15,456.71
  4. Step 4: Simplify right side
    54,898.65x = 1,272,842,756.98
  5. Step 5: Solve for x
    x = 1,272,842,756.98/54,898.65
  6. Step 6: Final answer
    x = 23,185.32

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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.