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Finding the Fourth Proportional to 22,704.87, 34,057.49 and 7,913.76

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Solution

The fourth proportional to 22,704.87, 34,057.49 and 7,913.76 is: 11,870.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704.87 : 34,057.49 = 7,913.76 : x
  2. Step 2: Convert to fraction form
    22,704.87/34,057.49 = 7,913.76/x
  3. Step 3: Cross multiply
    22,704.87x = 34,057.49 × 7,913.76
  4. Step 4: Simplify right side
    22,704.87x = 269,522,802.06
  5. Step 5: Solve for x
    x = 269,522,802.06/22,704.87
  6. Step 6: Final answer
    x = 11,870.70

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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.