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Finding the Fourth Proportional to 43,489.50, 59,565.81 and 40,936.17

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Solution

The fourth proportional to 43,489.50, 59,565.81 and 40,936.17 is: 56,068.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,489.50 : 59,565.81 = 40,936.17 : x
  2. Step 2: Convert to fraction form
    43,489.50/59,565.81 = 40,936.17/x
  3. Step 3: Cross multiply
    43,489.50x = 59,565.81 × 40,936.17
  4. Step 4: Simplify right side
    43,489.50x = 2,438,396,124.35
  5. Step 5: Solve for x
    x = 2,438,396,124.35/43,489.50
  6. Step 6: Final answer
    x = 56,068.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.