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Finding the Fourth Proportional to 18,600.88, 27,901.88 and 5,453.28

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Solution

The fourth proportional to 18,600.88, 27,901.88 and 5,453.28 is: 8,180.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.88 : 27,901.88 = 5,453.28 : x
  2. Step 2: Convert to fraction form
    18,600.88/27,901.88 = 5,453.28/x
  3. Step 3: Cross multiply
    18,600.88x = 27,901.88 × 5,453.28
  4. Step 4: Simplify right side
    18,600.88x = 152,156,764.17
  5. Step 5: Solve for x
    x = 152,156,764.17/18,600.88
  6. Step 6: Final answer
    x = 8,180.08

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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.