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Finding the Fourth Proportional to 5,609.57, 7,741.46 and 3,372.49

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Solution

The fourth proportional to 5,609.57, 7,741.46 and 3,372.49 is: 4,654.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.57 : 7,741.46 = 3,372.49 : x
  2. Step 2: Convert to fraction form
    5,609.57/7,741.46 = 3,372.49/x
  3. Step 3: Cross multiply
    5,609.57x = 7,741.46 × 3,372.49
  4. Step 4: Simplify right side
    5,609.57x = 26,107,985.51
  5. Step 5: Solve for x
    x = 26,107,985.51/5,609.57
  6. Step 6: Final answer
    x = 4,654.18

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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.