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Finding the Fourth Proportional to 27,281.34, 40,922.52 and 8,560.95

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Solution

The fourth proportional to 27,281.34, 40,922.52 and 8,560.95 is: 12,841.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,281.34 : 40,922.52 = 8,560.95 : x
  2. Step 2: Convert to fraction form
    27,281.34/40,922.52 = 8,560.95/x
  3. Step 3: Cross multiply
    27,281.34x = 40,922.52 × 8,560.95
  4. Step 4: Simplify right side
    27,281.34x = 350,335,647.59
  5. Step 5: Solve for x
    x = 350,335,647.59/27,281.34
  6. Step 6: Final answer
    x = 12,841.59

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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.