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Finding the Fourth Proportional to 17,247.95, 25,890.02 and 15,286.13

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Solution

The fourth proportional to 17,247.95, 25,890.02 and 15,286.13 is: 22,945.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,247.95 : 25,890.02 = 15,286.13 : x
  2. Step 2: Convert to fraction form
    17,247.95/25,890.02 = 15,286.13/x
  3. Step 3: Cross multiply
    17,247.95x = 25,890.02 × 15,286.13
  4. Step 4: Simplify right side
    17,247.95x = 395,758,005.54
  5. Step 5: Solve for x
    x = 395,758,005.54/17,247.95
  6. Step 6: Final answer
    x = 22,945.23

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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.