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Finding the Fourth Proportional to 5,497.96, 8,247.03 and 1,988.23

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Solution

The fourth proportional to 5,497.96, 8,247.03 and 1,988.23 is: 2,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.96 : 8,247.03 = 1,988.23 : x
  2. Step 2: Convert to fraction form
    5,497.96/8,247.03 = 1,988.23/x
  3. Step 3: Cross multiply
    5,497.96x = 8,247.03 × 1,988.23
  4. Step 4: Simplify right side
    5,497.96x = 16,396,992.46
  5. Step 5: Solve for x
    x = 16,396,992.46/5,497.96
  6. Step 6: Final answer
    x = 2,982.38

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Double scale
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Similar ratio
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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.