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Finding the Fourth Proportional to 5,487.26, 7,572.42 and 3,003.26

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Solution

The fourth proportional to 5,487.26, 7,572.42 and 3,003.26 is: 4,144.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.26 : 7,572.42 = 3,003.26 : x
  2. Step 2: Convert to fraction form
    5,487.26/7,572.42 = 3,003.26/x
  3. Step 3: Cross multiply
    5,487.26x = 7,572.42 × 3,003.26
  4. Step 4: Simplify right side
    5,487.26x = 22,741,946.09
  5. Step 5: Solve for x
    x = 22,741,946.09/5,487.26
  6. Step 6: Final answer
    x = 4,144.50

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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.