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Finding the Fourth Proportional to 51,472.56, 77,147.28 and 26,524.56

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Solution

The fourth proportional to 51,472.56, 77,147.28 and 26,524.56 is: 39,755.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,472.56 : 77,147.28 = 26,524.56 : x
  2. Step 2: Convert to fraction form
    51,472.56/77,147.28 = 26,524.56/x
  3. Step 3: Cross multiply
    51,472.56x = 77,147.28 × 26,524.56
  4. Step 4: Simplify right side
    51,472.56x = 2,046,297,657.20
  5. Step 5: Solve for x
    x = 2,046,297,657.20/51,472.56
  6. Step 6: Final answer
    x = 39,755.12

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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.