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Finding the Fourth Proportional to 5,759.39, 7,947.60 and 3,241.19

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Solution

The fourth proportional to 5,759.39, 7,947.60 and 3,241.19 is: 4,472.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.39 : 7,947.60 = 3,241.19 : x
  2. Step 2: Convert to fraction form
    5,759.39/7,947.60 = 3,241.19/x
  3. Step 3: Cross multiply
    5,759.39x = 7,947.60 × 3,241.19
  4. Step 4: Simplify right side
    5,759.39x = 25,759,681.64
  5. Step 5: Solve for x
    x = 25,759,681.64/5,759.39
  6. Step 6: Final answer
    x = 4,472.64

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Half scale
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Double scale
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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.