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Finding the Fourth Proportional to 22,709.74, 34,069.73 and 6,916.18

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Solution

The fourth proportional to 22,709.74, 34,069.73 and 6,916.18 is: 10,375.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,709.74 : 34,069.73 = 6,916.18 : x
  2. Step 2: Convert to fraction form
    22,709.74/34,069.73 = 6,916.18/x
  3. Step 3: Cross multiply
    22,709.74x = 34,069.73 × 6,916.18
  4. Step 4: Simplify right side
    22,709.74x = 235,632,385.23
  5. Step 5: Solve for x
    x = 235,632,385.23/22,709.74
  6. Step 6: Final answer
    x = 10,375.83

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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.