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Finding the Fourth Proportional to 6,084.68, 9,129.86 and 5,986.40

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Solution

The fourth proportional to 6,084.68, 9,129.86 and 5,986.40 is: 8,982.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,084.68 : 9,129.86 = 5,986.40 : x
  2. Step 2: Convert to fraction form
    6,084.68/9,129.86 = 5,986.40/x
  3. Step 3: Cross multiply
    6,084.68x = 9,129.86 × 5,986.40
  4. Step 4: Simplify right side
    6,084.68x = 54,654,993.90
  5. Step 5: Solve for x
    x = 54,654,993.90/6,084.68
  6. Step 6: Final answer
    x = 8,982.39

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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.