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Finding the Fourth Proportional to 16,618.88, 24,928.48 and 11,408.96

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Solution

The fourth proportional to 16,618.88, 24,928.48 and 11,408.96 is: 17,113.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,618.88 : 24,928.48 = 11,408.96 : x
  2. Step 2: Convert to fraction form
    16,618.88/24,928.48 = 11,408.96/x
  3. Step 3: Cross multiply
    16,618.88x = 24,928.48 × 11,408.96
  4. Step 4: Simplify right side
    16,618.88x = 284,408,031.18
  5. Step 5: Solve for x
    x = 284,408,031.18/16,618.88
  6. Step 6: Final answer
    x = 17,113.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.