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Finding the Fourth Proportional to 48,861.30, 73,291.95 and 15,581.10

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Solution

The fourth proportional to 48,861.30, 73,291.95 and 15,581.10 is: 23,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,861.30 : 73,291.95 = 15,581.10 : x
  2. Step 2: Convert to fraction form
    48,861.30/73,291.95 = 15,581.10/x
  3. Step 3: Cross multiply
    48,861.30x = 73,291.95 × 15,581.10
  4. Step 4: Simplify right side
    48,861.30x = 1,141,969,202.15
  5. Step 5: Solve for x
    x = 1,141,969,202.15/48,861.30
  6. Step 6: Final answer
    x = 23,371.65

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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.