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Finding the Fourth Proportional to 52,073.89, 71,874.54 and 30,568.39

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Solution

The fourth proportional to 52,073.89, 71,874.54 and 30,568.39 is: 42,191.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,073.89 : 71,874.54 = 30,568.39 : x
  2. Step 2: Convert to fraction form
    52,073.89/71,874.54 = 30,568.39/x
  3. Step 3: Cross multiply
    52,073.89x = 71,874.54 × 30,568.39
  4. Step 4: Simplify right side
    52,073.89x = 2,197,088,790.10
  5. Step 5: Solve for x
    x = 2,197,088,790.10/52,073.89
  6. Step 6: Final answer
    x = 42,191.76

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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.