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Finding the Fourth Proportional to 45,491.72, 62,778.70 and 26,375.20

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Solution

The fourth proportional to 45,491.72, 62,778.70 and 26,375.20 is: 36,397.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,491.72 : 62,778.70 = 26,375.20 : x
  2. Step 2: Convert to fraction form
    45,491.72/62,778.70 = 26,375.20/x
  3. Step 3: Cross multiply
    45,491.72x = 62,778.70 × 26,375.20
  4. Step 4: Simplify right side
    45,491.72x = 1,655,800,768.24
  5. Step 5: Solve for x
    x = 1,655,800,768.24/45,491.72
  6. Step 6: Final answer
    x = 36,397.85

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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.