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Finding the Fourth Proportional to 15,144.13, 22,719.98 and 5,283.55

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Solution

The fourth proportional to 15,144.13, 22,719.98 and 5,283.55 is: 7,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.13 : 22,719.98 = 5,283.55 : x
  2. Step 2: Convert to fraction form
    15,144.13/22,719.98 = 5,283.55/x
  3. Step 3: Cross multiply
    15,144.13x = 22,719.98 × 5,283.55
  4. Step 4: Simplify right side
    15,144.13x = 120,042,150.33
  5. Step 5: Solve for x
    x = 120,042,150.33/15,144.13
  6. Step 6: Final answer
    x = 7,926.65

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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.