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Finding the Fourth Proportional to 22,858.38, 34,269.38 and 15,009.76

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Solution

The fourth proportional to 22,858.38, 34,269.38 and 15,009.76 is: 22,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,858.38 : 34,269.38 = 15,009.76 : x
  2. Step 2: Convert to fraction form
    22,858.38/34,269.38 = 15,009.76/x
  3. Step 3: Cross multiply
    22,858.38x = 34,269.38 × 15,009.76
  4. Step 4: Simplify right side
    22,858.38x = 514,375,169.15
  5. Step 5: Solve for x
    x = 514,375,169.15/22,858.38
  6. Step 6: Final answer
    x = 22,502.70

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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.