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Finding the Fourth Proportional to 8,722.66, 13,084.15 and 2,482.84

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Solution

The fourth proportional to 8,722.66, 13,084.15 and 2,482.84 is: 3,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.66 : 13,084.15 = 2,482.84 : x
  2. Step 2: Convert to fraction form
    8,722.66/13,084.15 = 2,482.84/x
  3. Step 3: Cross multiply
    8,722.66x = 13,084.15 × 2,482.84
  4. Step 4: Simplify right side
    8,722.66x = 32,485,773.15
  5. Step 5: Solve for x
    x = 32,485,773.15/8,722.66
  6. Step 6: Final answer
    x = 3,724.30

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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.