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Finding the Fourth Proportional to 17,868.88, 24,657.88 and 9,910.56

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Solution

The fourth proportional to 17,868.88, 24,657.88 and 9,910.56 is: 13,675.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,868.88 : 24,657.88 = 9,910.56 : x
  2. Step 2: Convert to fraction form
    17,868.88/24,657.88 = 9,910.56/x
  3. Step 3: Cross multiply
    17,868.88x = 24,657.88 × 9,910.56
  4. Step 4: Simplify right side
    17,868.88x = 244,373,399.21
  5. Step 5: Solve for x
    x = 244,373,399.21/17,868.88
  6. Step 6: Final answer
    x = 13,675.92

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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.