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Finding the Fourth Proportional to 60,032.55, 90,045.57 and 30,449.61

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Solution

The fourth proportional to 60,032.55, 90,045.57 and 30,449.61 is: 45,672.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,032.55 : 90,045.57 = 30,449.61 : x
  2. Step 2: Convert to fraction form
    60,032.55/90,045.57 = 30,449.61/x
  3. Step 3: Cross multiply
    60,032.55x = 90,045.57 × 30,449.61
  4. Step 4: Simplify right side
    60,032.55x = 2,741,852,488.73
  5. Step 5: Solve for x
    x = 2,741,852,488.73/60,032.55
  6. Step 6: Final answer
    x = 45,672.76

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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.