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Finding the Fourth Proportional to 6,718.50, 10,080.18 and 6,179.04

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Solution

The fourth proportional to 6,718.50, 10,080.18 and 6,179.04 is: 9,270.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.50 : 10,080.18 = 6,179.04 : x
  2. Step 2: Convert to fraction form
    6,718.50/10,080.18 = 6,179.04/x
  3. Step 3: Cross multiply
    6,718.50x = 10,080.18 × 6,179.04
  4. Step 4: Simplify right side
    6,718.50x = 62,285,835.43
  5. Step 5: Solve for x
    x = 62,285,835.43/6,718.50
  6. Step 6: Final answer
    x = 9,270.79

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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.