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Finding the Fourth Proportional to 5,338.73, 7,988.96 and 3,259.26

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Solution

The fourth proportional to 5,338.73, 7,988.96 and 3,259.26 is: 4,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.73 : 7,988.96 = 3,259.26 : x
  2. Step 2: Convert to fraction form
    5,338.73/7,988.96 = 3,259.26/x
  3. Step 3: Cross multiply
    5,338.73x = 7,988.96 × 3,259.26
  4. Step 4: Simplify right side
    5,338.73x = 26,038,105.92
  5. Step 5: Solve for x
    x = 26,038,105.92/5,338.73
  6. Step 6: Final answer
    x = 4,877.21

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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.