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Finding the Fourth Proportional to 47,581.90, 65,660.44 and 26,359.90

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Solution

The fourth proportional to 47,581.90, 65,660.44 and 26,359.90 is: 36,375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,581.90 : 65,660.44 = 26,359.90 : x
  2. Step 2: Convert to fraction form
    47,581.90/65,660.44 = 26,359.90/x
  3. Step 3: Cross multiply
    47,581.90x = 65,660.44 × 26,359.90
  4. Step 4: Simplify right side
    47,581.90x = 1,730,802,500.56
  5. Step 5: Solve for x
    x = 1,730,802,500.56/47,581.90
  6. Step 6: Final answer
    x = 36,375.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.