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Finding the Fourth Proportional to 3,001.92, 4,502.72 and 1,855.04

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Solution

The fourth proportional to 3,001.92, 4,502.72 and 1,855.04 is: 2,782.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.92 : 4,502.72 = 1,855.04 : x
  2. Step 2: Convert to fraction form
    3,001.92/4,502.72 = 1,855.04/x
  3. Step 3: Cross multiply
    3,001.92x = 4,502.72 × 1,855.04
  4. Step 4: Simplify right side
    3,001.92x = 8,352,725.71
  5. Step 5: Solve for x
    x = 8,352,725.71/3,001.92
  6. Step 6: Final answer
    x = 2,782.46

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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.