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Finding the Fourth Proportional to 17,956.58, 24,780.48 and 9,999.55

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Solution

The fourth proportional to 17,956.58, 24,780.48 and 9,999.55 is: 13,799.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,956.58 : 24,780.48 = 9,999.55 : x
  2. Step 2: Convert to fraction form
    17,956.58/24,780.48 = 9,999.55/x
  3. Step 3: Cross multiply
    17,956.58x = 24,780.48 × 9,999.55
  4. Step 4: Simplify right side
    17,956.58x = 247,793,524.88
  5. Step 5: Solve for x
    x = 247,793,524.88/17,956.58
  6. Step 6: Final answer
    x = 13,799.59

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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.