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Finding the Fourth Proportional to 44,993.62, 67,492.28 and 15,431.79

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Solution

The fourth proportional to 44,993.62, 67,492.28 and 15,431.79 is: 23,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,993.62 : 67,492.28 = 15,431.79 : x
  2. Step 2: Convert to fraction form
    44,993.62/67,492.28 = 15,431.79/x
  3. Step 3: Cross multiply
    44,993.62x = 67,492.28 × 15,431.79
  4. Step 4: Simplify right side
    44,993.62x = 1,041,526,691.58
  5. Step 5: Solve for x
    x = 1,041,526,691.58/44,993.62
  6. Step 6: Final answer
    x = 23,148.32

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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.