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Finding the Fourth Proportional to 15,168.95, 22,735.56 and 6,839.22

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Solution

The fourth proportional to 15,168.95, 22,735.56 and 6,839.22 is: 10,250.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,168.95 : 22,735.56 = 6,839.22 : x
  2. Step 2: Convert to fraction form
    15,168.95/22,735.56 = 6,839.22/x
  3. Step 3: Cross multiply
    15,168.95x = 22,735.56 × 6,839.22
  4. Step 4: Simplify right side
    15,168.95x = 155,493,479.68
  5. Step 5: Solve for x
    x = 155,493,479.68/15,168.95
  6. Step 6: Final answer
    x = 10,250.77

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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.