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Finding the Fourth Proportional to 5,958.66, 8,221.27 and 4,695.80

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Solution

The fourth proportional to 5,958.66, 8,221.27 and 4,695.80 is: 6,478.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,958.66 : 8,221.27 = 4,695.80 : x
  2. Step 2: Convert to fraction form
    5,958.66/8,221.27 = 4,695.80/x
  3. Step 3: Cross multiply
    5,958.66x = 8,221.27 × 4,695.80
  4. Step 4: Simplify right side
    5,958.66x = 38,605,439.67
  5. Step 5: Solve for x
    x = 38,605,439.67/5,958.66
  6. Step 6: Final answer
    x = 6,478.88

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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.