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Finding the Fourth Proportional to 3,560.63, 5,335.13 and 2,174.92

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Solution

The fourth proportional to 3,560.63, 5,335.13 and 2,174.92 is: 3,258.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.63 : 5,335.13 = 2,174.92 : x
  2. Step 2: Convert to fraction form
    3,560.63/5,335.13 = 2,174.92/x
  3. Step 3: Cross multiply
    3,560.63x = 5,335.13 × 2,174.92
  4. Step 4: Simplify right side
    3,560.63x = 11,603,473.04
  5. Step 5: Solve for x
    x = 11,603,473.04/3,560.63
  6. Step 6: Final answer
    x = 3,258.83

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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.