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Finding the Fourth Proportional to 83,010.99, 124,516.08 and 38,613.27

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Solution

The fourth proportional to 83,010.99, 124,516.08 and 38,613.27 is: 57,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,010.99 : 124,516.08 = 38,613.27 : x
  2. Step 2: Convert to fraction form
    83,010.99/124,516.08 = 38,613.27/x
  3. Step 3: Cross multiply
    83,010.99x = 124,516.08 × 38,613.27
  4. Step 4: Simplify right side
    83,010.99x = 4,807,973,016.38
  5. Step 5: Solve for x
    x = 4,807,973,016.38/83,010.99
  6. Step 6: Final answer
    x = 57,919.72

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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.