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Finding the Fourth Proportional to 22,689.61, 34,034.58 and 7,898.49

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Solution

The fourth proportional to 22,689.61, 34,034.58 and 7,898.49 is: 11,847.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,689.61 : 34,034.58 = 7,898.49 : x
  2. Step 2: Convert to fraction form
    22,689.61/34,034.58 = 7,898.49/x
  3. Step 3: Cross multiply
    22,689.61x = 34,034.58 × 7,898.49
  4. Step 4: Simplify right side
    22,689.61x = 268,821,789.78
  5. Step 5: Solve for x
    x = 268,821,789.78/22,689.61
  6. Step 6: Final answer
    x = 11,847.79

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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.