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Finding the Fourth Proportional to 23,281.29, 34,927.34 and 8,489.61

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Solution

The fourth proportional to 23,281.29, 34,927.34 and 8,489.61 is: 12,736.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,281.29 : 34,927.34 = 8,489.61 : x
  2. Step 2: Convert to fraction form
    23,281.29/34,927.34 = 8,489.61/x
  3. Step 3: Cross multiply
    23,281.29x = 34,927.34 × 8,489.61
  4. Step 4: Simplify right side
    23,281.29x = 296,519,452.49
  5. Step 5: Solve for x
    x = 296,519,452.49/23,281.29
  6. Step 6: Final answer
    x = 12,736.38

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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.