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Finding the Fourth Proportional to 40,859.92, 61,158.39 and 27,639.46

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Solution

The fourth proportional to 40,859.92, 61,158.39 and 27,639.46 is: 41,370.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,859.92 : 61,158.39 = 27,639.46 : x
  2. Step 2: Convert to fraction form
    40,859.92/61,158.39 = 27,639.46/x
  3. Step 3: Cross multiply
    40,859.92x = 61,158.39 × 27,639.46
  4. Step 4: Simplify right side
    40,859.92x = 1,690,384,874.07
  5. Step 5: Solve for x
    x = 1,690,384,874.07/40,859.92
  6. Step 6: Final answer
    x = 41,370.24

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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.