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Finding the Fourth Proportional to 27,559.60, 41,355.60 and 10,031.20

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Solution

The fourth proportional to 27,559.60, 41,355.60 and 10,031.20 is: 15,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,559.60 : 41,355.60 = 10,031.20 : x
  2. Step 2: Convert to fraction form
    27,559.60/41,355.60 = 10,031.20/x
  3. Step 3: Cross multiply
    27,559.60x = 41,355.60 × 10,031.20
  4. Step 4: Simplify right side
    27,559.60x = 414,846,294.72
  5. Step 5: Solve for x
    x = 414,846,294.72/27,559.60
  6. Step 6: Final answer
    x = 15,052.70

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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.