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Finding the Fourth Proportional to 5,867.28, 8,800.68 and 2,907.93

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Solution

The fourth proportional to 5,867.28, 8,800.68 and 2,907.93 is: 4,361.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,867.28 : 8,800.68 = 2,907.93 : x
  2. Step 2: Convert to fraction form
    5,867.28/8,800.68 = 2,907.93/x
  3. Step 3: Cross multiply
    5,867.28x = 8,800.68 × 2,907.93
  4. Step 4: Simplify right side
    5,867.28x = 25,591,761.39
  5. Step 5: Solve for x
    x = 25,591,761.39/5,867.28
  6. Step 6: Final answer
    x = 4,361.78

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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.