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Finding the Fourth Proportional to 60,613.80, 90,920.73 and 16,239.42

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Solution

The fourth proportional to 60,613.80, 90,920.73 and 16,239.42 is: 24,359.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,613.80 : 90,920.73 = 16,239.42 : x
  2. Step 2: Convert to fraction form
    60,613.80/90,920.73 = 16,239.42/x
  3. Step 3: Cross multiply
    60,613.80x = 90,920.73 × 16,239.42
  4. Step 4: Simplify right side
    60,613.80x = 1,476,499,921.18
  5. Step 5: Solve for x
    x = 1,476,499,921.18/60,613.80
  6. Step 6: Final answer
    x = 24,359.14

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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.