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Finding the Fourth Proportional to 15,246.92, 22,857.22 and 7,338.55

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Solution

The fourth proportional to 15,246.92, 22,857.22 and 7,338.55 is: 11,001.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,246.92 : 22,857.22 = 7,338.55 : x
  2. Step 2: Convert to fraction form
    15,246.92/22,857.22 = 7,338.55/x
  3. Step 3: Cross multiply
    15,246.92x = 22,857.22 × 7,338.55
  4. Step 4: Simplify right side
    15,246.92x = 167,738,889.18
  5. Step 5: Solve for x
    x = 167,738,889.18/15,246.92
  6. Step 6: Final answer
    x = 11,001.49

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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.