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Finding the Fourth Proportional to 48,358.68, 72,522.66 and 15,519

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Solution

The fourth proportional to 48,358.68, 72,522.66 and 15,519 is: 23,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,358.68 : 72,522.66 = 15,519 : x
  2. Step 2: Convert to fraction form
    48,358.68/72,522.66 = 15,519/x
  3. Step 3: Cross multiply
    48,358.68x = 72,522.66 × 15,519
  4. Step 4: Simplify right side
    48,358.68x = 1,125,479,160.54
  5. Step 5: Solve for x
    x = 1,125,479,160.54/48,358.68
  6. Step 6: Final answer
    x = 23,273.57

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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.