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Finding the Fourth Proportional to 56,618.88, 84,930.24 and 15,065.92

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Solution

The fourth proportional to 56,618.88, 84,930.24 and 15,065.92 is: 22,599.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,618.88 : 84,930.24 = 15,065.92 : x
  2. Step 2: Convert to fraction form
    56,618.88/84,930.24 = 15,065.92/x
  3. Step 3: Cross multiply
    56,618.88x = 84,930.24 × 15,065.92
  4. Step 4: Simplify right side
    56,618.88x = 1,279,552,201.42
  5. Step 5: Solve for x
    x = 1,279,552,201.42/56,618.88
  6. Step 6: Final answer
    x = 22,599.39

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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.