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Finding the Fourth Proportional to 31,751.52, 43,815.84 and 17,411.04

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Solution

The fourth proportional to 31,751.52, 43,815.84 and 17,411.04 is: 24,026.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,751.52 : 43,815.84 = 17,411.04 : x
  2. Step 2: Convert to fraction form
    31,751.52/43,815.84 = 17,411.04/x
  3. Step 3: Cross multiply
    31,751.52x = 43,815.84 × 17,411.04
  4. Step 4: Simplify right side
    31,751.52x = 762,879,342.87
  5. Step 5: Solve for x
    x = 762,879,342.87/31,751.52
  6. Step 6: Final answer
    x = 24,026.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.