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Finding the Fourth Proportional to 22,756.75, 34,140.89 and 6,340.75

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Solution

The fourth proportional to 22,756.75, 34,140.89 and 6,340.75 is: 9,512.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,756.75 : 34,140.89 = 6,340.75 : x
  2. Step 2: Convert to fraction form
    22,756.75/34,140.89 = 6,340.75/x
  3. Step 3: Cross multiply
    22,756.75x = 34,140.89 × 6,340.75
  4. Step 4: Simplify right side
    22,756.75x = 216,478,816.56
  5. Step 5: Solve for x
    x = 216,478,816.56/22,756.75
  6. Step 6: Final answer
    x = 9,512.73

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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.