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Finding the Fourth Proportional to 39,597, 54,642.26 and 23,690.20

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Solution

The fourth proportional to 39,597, 54,642.26 and 23,690.20 is: 32,691.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,597 : 54,642.26 = 23,690.20 : x
  2. Step 2: Convert to fraction form
    39,597/54,642.26 = 23,690.20/x
  3. Step 3: Cross multiply
    39,597x = 54,642.26 × 23,690.20
  4. Step 4: Simplify right side
    39,597x = 1,294,486,067.85
  5. Step 5: Solve for x
    x = 1,294,486,067.85/39,597
  6. Step 6: Final answer
    x = 32,691.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.