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Finding the Fourth Proportional to 22,774.13, 34,161.03 and 6,979.13

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Solution

The fourth proportional to 22,774.13, 34,161.03 and 6,979.13 is: 10,468.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,774.13 : 34,161.03 = 6,979.13 : x
  2. Step 2: Convert to fraction form
    22,774.13/34,161.03 = 6,979.13/x
  3. Step 3: Cross multiply
    22,774.13x = 34,161.03 × 6,979.13
  4. Step 4: Simplify right side
    22,774.13x = 238,414,098.50
  5. Step 5: Solve for x
    x = 238,414,098.50/22,774.13
  6. Step 6: Final answer
    x = 10,468.64

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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.