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Finding the Fourth Proportional to 5,747.40, 8,605.98 and 4,449.96

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Solution

The fourth proportional to 5,747.40, 8,605.98 and 4,449.96 is: 6,663.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747.40 : 8,605.98 = 4,449.96 : x
  2. Step 2: Convert to fraction form
    5,747.40/8,605.98 = 4,449.96/x
  3. Step 3: Cross multiply
    5,747.40x = 8,605.98 × 4,449.96
  4. Step 4: Simplify right side
    5,747.40x = 38,296,266.76
  5. Step 5: Solve for x
    x = 38,296,266.76/5,747.40
  6. Step 6: Final answer
    x = 6,663.23

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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.