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Finding the Fourth Proportional to 2,672.04, 4,004.40 and 1,502.61

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Solution

The fourth proportional to 2,672.04, 4,004.40 and 1,502.61 is: 2,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.04 : 4,004.40 = 1,502.61 : x
  2. Step 2: Convert to fraction form
    2,672.04/4,004.40 = 1,502.61/x
  3. Step 3: Cross multiply
    2,672.04x = 4,004.40 × 1,502.61
  4. Step 4: Simplify right side
    2,672.04x = 6,017,051.48
  5. Step 5: Solve for x
    x = 6,017,051.48/2,672.04
  6. Step 6: Final answer
    x = 2,251.86

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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.