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Finding the Fourth Proportional to 2,801.72, 4,202.22 and 952.76

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Solution

The fourth proportional to 2,801.72, 4,202.22 and 952.76 is: 1,429.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.72 : 4,202.22 = 952.76 : x
  2. Step 2: Convert to fraction form
    2,801.72/4,202.22 = 952.76/x
  3. Step 3: Cross multiply
    2,801.72x = 4,202.22 × 952.76
  4. Step 4: Simplify right side
    2,801.72x = 4,003,707.13
  5. Step 5: Solve for x
    x = 4,003,707.13/2,801.72
  6. Step 6: Final answer
    x = 1,429.02

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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.