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Finding the Fourth Proportional to 6,363.14, 8,781.18 and 3,530.62

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Solution

The fourth proportional to 6,363.14, 8,781.18 and 3,530.62 is: 4,872.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,363.14 : 8,781.18 = 3,530.62 : x
  2. Step 2: Convert to fraction form
    6,363.14/8,781.18 = 3,530.62/x
  3. Step 3: Cross multiply
    6,363.14x = 8,781.18 × 3,530.62
  4. Step 4: Simplify right side
    6,363.14x = 31,003,009.73
  5. Step 5: Solve for x
    x = 31,003,009.73/6,363.14
  6. Step 6: Final answer
    x = 4,872.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.