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Finding the Fourth Proportional to 4,502.66, 6,751.10 and 1,871.99

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Solution

The fourth proportional to 4,502.66, 6,751.10 and 1,871.99 is: 2,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,502.66 : 6,751.10 = 1,871.99 : x
  2. Step 2: Convert to fraction form
    4,502.66/6,751.10 = 1,871.99/x
  3. Step 3: Cross multiply
    4,502.66x = 6,751.10 × 1,871.99
  4. Step 4: Simplify right side
    4,502.66x = 12,637,948.57
  5. Step 5: Solve for x
    x = 12,637,948.57/4,502.66
  6. Step 6: Final answer
    x = 2,806.78

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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.