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Finding the Fourth Proportional to 60,049.12, 90,052.08 and 20,596

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Solution

The fourth proportional to 60,049.12, 90,052.08 and 20,596 is: 30,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,049.12 : 90,052.08 = 20,596 : x
  2. Step 2: Convert to fraction form
    60,049.12/90,052.08 = 20,596/x
  3. Step 3: Cross multiply
    60,049.12x = 90,052.08 × 20,596
  4. Step 4: Simplify right side
    60,049.12x = 1,854,712,639.68
  5. Step 5: Solve for x
    x = 1,854,712,639.68/60,049.12
  6. Step 6: Final answer
    x = 30,886.59

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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.