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Finding the Fourth Proportional to 45,162.56, 67,721.04 and 26,448.56

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Solution

The fourth proportional to 45,162.56, 67,721.04 and 26,448.56 is: 39,659.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,162.56 : 67,721.04 = 26,448.56 : x
  2. Step 2: Convert to fraction form
    45,162.56/67,721.04 = 26,448.56/x
  3. Step 3: Cross multiply
    45,162.56x = 67,721.04 × 26,448.56
  4. Step 4: Simplify right side
    45,162.56x = 1,791,123,989.70
  5. Step 5: Solve for x
    x = 1,791,123,989.70/45,162.56
  6. Step 6: Final answer
    x = 39,659.49

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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.