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Finding the Fourth Proportional to 75,000.39, 103,496.31 and 41,002.56

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Solution

The fourth proportional to 75,000.39, 103,496.31 and 41,002.56 is: 56,581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,000.39 : 103,496.31 = 41,002.56 : x
  2. Step 2: Convert to fraction form
    75,000.39/103,496.31 = 41,002.56/x
  3. Step 3: Cross multiply
    75,000.39x = 103,496.31 × 41,002.56
  4. Step 4: Simplify right side
    75,000.39x = 4,243,613,660.55
  5. Step 5: Solve for x
    x = 4,243,613,660.55/75,000.39
  6. Step 6: Final answer
    x = 56,581.22

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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.