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Finding the Fourth Proportional to 6,105.80, 9,137.10 and 4,248.20

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Solution

The fourth proportional to 6,105.80, 9,137.10 and 4,248.20 is: 6,357.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.80 : 9,137.10 = 4,248.20 : x
  2. Step 2: Convert to fraction form
    6,105.80/9,137.10 = 4,248.20/x
  3. Step 3: Cross multiply
    6,105.80x = 9,137.10 × 4,248.20
  4. Step 4: Simplify right side
    6,105.80x = 38,816,228.22
  5. Step 5: Solve for x
    x = 38,816,228.22/6,105.80
  6. Step 6: Final answer
    x = 6,357.27

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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.