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Finding the Fourth Proportional to 2,881.92, 4,295.46 and 2,717.88

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Solution

The fourth proportional to 2,881.92, 4,295.46 and 2,717.88 is: 4,050.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.92 : 4,295.46 = 2,717.88 : x
  2. Step 2: Convert to fraction form
    2,881.92/4,295.46 = 2,717.88/x
  3. Step 3: Cross multiply
    2,881.92x = 4,295.46 × 2,717.88
  4. Step 4: Simplify right side
    2,881.92x = 11,674,544.82
  5. Step 5: Solve for x
    x = 11,674,544.82/2,881.92
  6. Step 6: Final answer
    x = 4,050.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.