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Finding the Fourth Proportional to 26,799.20, 40,202.76 and 9,264.32

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Solution

The fourth proportional to 26,799.20, 40,202.76 and 9,264.32 is: 13,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,799.20 : 40,202.76 = 9,264.32 : x
  2. Step 2: Convert to fraction form
    26,799.20/40,202.76 = 9,264.32/x
  3. Step 3: Cross multiply
    26,799.20x = 40,202.76 × 9,264.32
  4. Step 4: Simplify right side
    26,799.20x = 372,451,233.52
  5. Step 5: Solve for x
    x = 372,451,233.52/26,799.20
  6. Step 6: Final answer
    x = 13,897.85

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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.