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Finding the Fourth Proportional to 31,701.03, 43,747.43 and 17,553.88

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Solution

The fourth proportional to 31,701.03, 43,747.43 and 17,553.88 is: 24,224.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,701.03 : 43,747.43 = 17,553.88 : x
  2. Step 2: Convert to fraction form
    31,701.03/43,747.43 = 17,553.88/x
  3. Step 3: Cross multiply
    31,701.03x = 43,747.43 × 17,553.88
  4. Step 4: Simplify right side
    31,701.03x = 767,936,830.02
  5. Step 5: Solve for x
    x = 767,936,830.02/31,701.03
  6. Step 6: Final answer
    x = 24,224.35

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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.