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Finding the Fourth Proportional to 31,254.41, 43,129.41 and 17,104.52

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Solution

The fourth proportional to 31,254.41, 43,129.41 and 17,104.52 is: 23,603.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254.41 : 43,129.41 = 17,104.52 : x
  2. Step 2: Convert to fraction form
    31,254.41/43,129.41 = 17,104.52/x
  3. Step 3: Cross multiply
    31,254.41x = 43,129.41 × 17,104.52
  4. Step 4: Simplify right side
    31,254.41x = 737,707,640.29
  5. Step 5: Solve for x
    x = 737,707,640.29/31,254.41
  6. Step 6: Final answer
    x = 23,603.32

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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.