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Finding the Fourth Proportional to 4,773.96, 7,162.14 and 1,487.22

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Solution

The fourth proportional to 4,773.96, 7,162.14 and 1,487.22 is: 2,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,773.96 : 7,162.14 = 1,487.22 : x
  2. Step 2: Convert to fraction form
    4,773.96/7,162.14 = 1,487.22/x
  3. Step 3: Cross multiply
    4,773.96x = 7,162.14 × 1,487.22
  4. Step 4: Simplify right side
    4,773.96x = 10,651,677.85
  5. Step 5: Solve for x
    x = 10,651,677.85/4,773.96
  6. Step 6: Final answer
    x = 2,231.20

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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.