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Finding the Fourth Proportional to 60,452.30, 90,678.45 and 54,328.70

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Solution

The fourth proportional to 60,452.30, 90,678.45 and 54,328.70 is: 81,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,452.30 : 90,678.45 = 54,328.70 : x
  2. Step 2: Convert to fraction form
    60,452.30/90,678.45 = 54,328.70/x
  3. Step 3: Cross multiply
    60,452.30x = 90,678.45 × 54,328.70
  4. Step 4: Simplify right side
    60,452.30x = 4,926,442,306.52
  5. Step 5: Solve for x
    x = 4,926,442,306.52/60,452.30
  6. Step 6: Final answer
    x = 81,493.05

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Similar ratio
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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.