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Finding the Fourth Proportional to 59,604.78, 89,351.60 and 20,134.30

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Solution

The fourth proportional to 59,604.78, 89,351.60 and 20,134.30 is: 30,182.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,604.78 : 89,351.60 = 20,134.30 : x
  2. Step 2: Convert to fraction form
    59,604.78/89,351.60 = 20,134.30/x
  3. Step 3: Cross multiply
    59,604.78x = 89,351.60 × 20,134.30
  4. Step 4: Simplify right side
    59,604.78x = 1,799,031,919.88
  5. Step 5: Solve for x
    x = 1,799,031,919.88/59,604.78
  6. Step 6: Final answer
    x = 30,182.68

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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.