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Finding the Fourth Proportional to 71,507.34, 107,279.19 and 41,951.25

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Solution

The fourth proportional to 71,507.34, 107,279.19 and 41,951.25 is: 62,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,507.34 : 107,279.19 = 41,951.25 : x
  2. Step 2: Convert to fraction form
    71,507.34/107,279.19 = 41,951.25/x
  3. Step 3: Cross multiply
    71,507.34x = 107,279.19 × 41,951.25
  4. Step 4: Simplify right side
    71,507.34x = 4,500,496,119.49
  5. Step 5: Solve for x
    x = 4,500,496,119.49/71,507.34
  6. Step 6: Final answer
    x = 62,937.54

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1.5x scale

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.