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Finding the Fourth Proportional to 47,422.56, 71,118.56 and 26,372.64

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Solution

The fourth proportional to 47,422.56, 71,118.56 and 26,372.64 is: 39,550.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,422.56 : 71,118.56 = 26,372.64 : x
  2. Step 2: Convert to fraction form
    47,422.56/71,118.56 = 26,372.64/x
  3. Step 3: Cross multiply
    47,422.56x = 71,118.56 × 26,372.64
  4. Step 4: Simplify right side
    47,422.56x = 1,875,584,180.20
  5. Step 5: Solve for x
    x = 1,875,584,180.20/47,422.56
  6. Step 6: Final answer
    x = 39,550.46

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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.