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Finding the Fourth Proportional to 17,881.67, 24,675.56 and 9,923.90

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Solution

The fourth proportional to 17,881.67, 24,675.56 and 9,923.90 is: 13,694.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,881.67 : 24,675.56 = 9,923.90 : x
  2. Step 2: Convert to fraction form
    17,881.67/24,675.56 = 9,923.90/x
  3. Step 3: Cross multiply
    17,881.67x = 24,675.56 × 9,923.90
  4. Step 4: Simplify right side
    17,881.67x = 244,877,740.26
  5. Step 5: Solve for x
    x = 244,877,740.26/17,881.67
  6. Step 6: Final answer
    x = 13,694.34

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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.