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Finding the Fourth Proportional to 51,488.62, 77,218.01 and 15,463.62

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Solution

The fourth proportional to 51,488.62, 77,218.01 and 15,463.62 is: 23,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,488.62 : 77,218.01 = 15,463.62 : x
  2. Step 2: Convert to fraction form
    51,488.62/77,218.01 = 15,463.62/x
  3. Step 3: Cross multiply
    51,488.62x = 77,218.01 × 15,463.62
  4. Step 4: Simplify right side
    51,488.62x = 1,194,070,002.46
  5. Step 5: Solve for x
    x = 1,194,070,002.46/51,488.62
  6. Step 6: Final answer
    x = 23,190.95

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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.