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Finding the Fourth Proportional to 3,352.97, 5,029.45 and 887.98

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Solution

The fourth proportional to 3,352.97, 5,029.45 and 887.98 is: 1,331.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,352.97 : 5,029.45 = 887.98 : x
  2. Step 2: Convert to fraction form
    3,352.97/5,029.45 = 887.98/x
  3. Step 3: Cross multiply
    3,352.97x = 5,029.45 × 887.98
  4. Step 4: Simplify right side
    3,352.97x = 4,466,035.66
  5. Step 5: Solve for x
    x = 4,466,035.66/3,352.97
  6. Step 6: Final answer
    x = 1,331.97

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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.