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Finding the Fourth Proportional to 31,671.41, 43,706.93 and 17,524.13

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Solution

The fourth proportional to 31,671.41, 43,706.93 and 17,524.13 is: 24,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,671.41 : 43,706.93 = 17,524.13 : x
  2. Step 2: Convert to fraction form
    31,671.41/43,706.93 = 17,524.13/x
  3. Step 3: Cross multiply
    31,671.41x = 43,706.93 × 17,524.13
  4. Step 4: Simplify right side
    31,671.41x = 765,925,617.07
  5. Step 5: Solve for x
    x = 765,925,617.07/31,671.41
  6. Step 6: Final answer
    x = 24,183.51

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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.