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Finding the Fourth Proportional to 56,578.96, 84,868.41 and 15,025.96

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Solution

The fourth proportional to 56,578.96, 84,868.41 and 15,025.96 is: 22,538.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,578.96 : 84,868.41 = 15,025.96 : x
  2. Step 2: Convert to fraction form
    56,578.96/84,868.41 = 15,025.96/x
  3. Step 3: Cross multiply
    56,578.96x = 84,868.41 × 15,025.96
  4. Step 4: Simplify right side
    56,578.96x = 1,275,229,333.92
  5. Step 5: Solve for x
    x = 1,275,229,333.92/56,578.96
  6. Step 6: Final answer
    x = 22,538.93

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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.