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Finding the Fourth Proportional to 31,894.32, 44,012.66 and 17,553.68

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Solution

The fourth proportional to 31,894.32, 44,012.66 and 17,553.68 is: 24,223.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,894.32 : 44,012.66 = 17,553.68 : x
  2. Step 2: Convert to fraction form
    31,894.32/44,012.66 = 17,553.68/x
  3. Step 3: Cross multiply
    31,894.32x = 44,012.66 × 17,553.68
  4. Step 4: Simplify right side
    31,894.32x = 772,584,149.59
  5. Step 5: Solve for x
    x = 772,584,149.59/31,894.32
  6. Step 6: Final answer
    x = 24,223.25

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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.