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Finding the Fourth Proportional to 71,749.48, 107,624.86 and 25,002.28

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Solution

The fourth proportional to 71,749.48, 107,624.86 and 25,002.28 is: 37,503.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,749.48 : 107,624.86 = 25,002.28 : x
  2. Step 2: Convert to fraction form
    71,749.48/107,624.86 = 25,002.28/x
  3. Step 3: Cross multiply
    71,749.48x = 107,624.86 × 25,002.28
  4. Step 4: Simplify right side
    71,749.48x = 2,690,866,884.68
  5. Step 5: Solve for x
    x = 2,690,866,884.68/71,749.48
  6. Step 6: Final answer
    x = 37,503.64

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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.