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Finding the Fourth Proportional to 18,250.32, 27,390.84 and 17,098.32

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Solution

The fourth proportional to 18,250.32, 27,390.84 and 17,098.32 is: 25,661.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.32 : 27,390.84 = 17,098.32 : x
  2. Step 2: Convert to fraction form
    18,250.32/27,390.84 = 17,098.32/x
  3. Step 3: Cross multiply
    18,250.32x = 27,390.84 × 17,098.32
  4. Step 4: Simplify right side
    18,250.32x = 468,337,347.39
  5. Step 5: Solve for x
    x = 468,337,347.39/18,250.32
  6. Step 6: Final answer
    x = 25,661.87

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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.