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Finding the Fourth Proportional to 75,105.99, 112,593.29 and 37,613.52

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Solution

The fourth proportional to 75,105.99, 112,593.29 and 37,613.52 is: 56,387.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,105.99 : 112,593.29 = 37,613.52 : x
  2. Step 2: Convert to fraction form
    75,105.99/112,593.29 = 37,613.52/x
  3. Step 3: Cross multiply
    75,105.99x = 112,593.29 × 37,613.52
  4. Step 4: Simplify right side
    75,105.99x = 4,235,029,777.21
  5. Step 5: Solve for x
    x = 4,235,029,777.21/75,105.99
  6. Step 6: Final answer
    x = 56,387.38

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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.