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Finding the Fourth Proportional to 4,321.86, 6,481.65 and 1,202.13

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Solution

The fourth proportional to 4,321.86, 6,481.65 and 1,202.13 is: 1,802.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.86 : 6,481.65 = 1,202.13 : x
  2. Step 2: Convert to fraction form
    4,321.86/6,481.65 = 1,202.13/x
  3. Step 3: Cross multiply
    4,321.86x = 6,481.65 × 1,202.13
  4. Step 4: Simplify right side
    4,321.86x = 7,791,785.91
  5. Step 5: Solve for x
    x = 7,791,785.91/4,321.86
  6. Step 6: Final answer
    x = 1,802.88

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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.