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Finding the Fourth Proportional to 2,997.92, 4,502.16 and 2,876.96

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Solution

The fourth proportional to 2,997.92, 4,502.16 and 2,876.96 is: 4,320.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.92 : 4,502.16 = 2,876.96 : x
  2. Step 2: Convert to fraction form
    2,997.92/4,502.16 = 2,876.96/x
  3. Step 3: Cross multiply
    2,997.92x = 4,502.16 × 2,876.96
  4. Step 4: Simplify right side
    2,997.92x = 12,952,534.23
  5. Step 5: Solve for x
    x = 12,952,534.23/2,997.92
  6. Step 6: Final answer
    x = 4,320.51

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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.