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Finding the Fourth Proportional to 5,939.64, 8,902.29 and 2,188.44

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Solution

The fourth proportional to 5,939.64, 8,902.29 and 2,188.44 is: 3,280.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.64 : 8,902.29 = 2,188.44 : x
  2. Step 2: Convert to fraction form
    5,939.64/8,902.29 = 2,188.44/x
  3. Step 3: Cross multiply
    5,939.64x = 8,902.29 × 2,188.44
  4. Step 4: Simplify right side
    5,939.64x = 19,482,127.53
  5. Step 5: Solve for x
    x = 19,482,127.53/5,939.64
  6. Step 6: Final answer
    x = 3,280.02

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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.