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Finding the Fourth Proportional to 6,108.87, 9,164.80 and 1,948.88

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Solution

The fourth proportional to 6,108.87, 9,164.80 and 1,948.88 is: 2,923.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.87 : 9,164.80 = 1,948.88 : x
  2. Step 2: Convert to fraction form
    6,108.87/9,164.80 = 1,948.88/x
  3. Step 3: Cross multiply
    6,108.87x = 9,164.80 × 1,948.88
  4. Step 4: Simplify right side
    6,108.87x = 17,861,079.10
  5. Step 5: Solve for x
    x = 17,861,079.10/6,108.87
  6. Step 6: Final answer
    x = 2,923.79

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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.