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Finding the Fourth Proportional to 51,707.98, 77,578.68 and 25,394.27

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Solution

The fourth proportional to 51,707.98, 77,578.68 and 25,394.27 is: 38,099.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,707.98 : 77,578.68 = 25,394.27 : x
  2. Step 2: Convert to fraction form
    51,707.98/77,578.68 = 25,394.27/x
  3. Step 3: Cross multiply
    51,707.98x = 77,578.68 × 25,394.27
  4. Step 4: Simplify right side
    51,707.98x = 1,970,053,944.42
  5. Step 5: Solve for x
    x = 1,970,053,944.42/51,707.98
  6. Step 6: Final answer
    x = 38,099.61

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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.