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Finding the Fourth Proportional to 22,679.76, 34,007.93 and 10,189.11

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Solution

The fourth proportional to 22,679.76, 34,007.93 and 10,189.11 is: 15,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.76 : 34,007.93 = 10,189.11 : x
  2. Step 2: Convert to fraction form
    22,679.76/34,007.93 = 10,189.11/x
  3. Step 3: Cross multiply
    22,679.76x = 34,007.93 × 10,189.11
  4. Step 4: Simplify right side
    22,679.76x = 346,510,488.70
  5. Step 5: Solve for x
    x = 346,510,488.70/22,679.76
  6. Step 6: Final answer
    x = 15,278.40

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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.