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Finding the Fourth Proportional to 22,680.59, 34,036.53 and 7,889.49

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Solution

The fourth proportional to 22,680.59, 34,036.53 and 7,889.49 is: 11,839.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,680.59 : 34,036.53 = 7,889.49 : x
  2. Step 2: Convert to fraction form
    22,680.59/34,036.53 = 7,889.49/x
  3. Step 3: Cross multiply
    22,680.59x = 34,036.53 × 7,889.49
  4. Step 4: Simplify right side
    22,680.59x = 268,530,863.07
  5. Step 5: Solve for x
    x = 268,530,863.07/22,680.59
  6. Step 6: Final answer
    x = 11,839.68

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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.