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Finding the Fourth Proportional to 16,306.96, 22,503.72 and 8,854.96

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Solution

The fourth proportional to 16,306.96, 22,503.72 and 8,854.96 is: 12,219.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,306.96 : 22,503.72 = 8,854.96 : x
  2. Step 2: Convert to fraction form
    16,306.96/22,503.72 = 8,854.96/x
  3. Step 3: Cross multiply
    16,306.96x = 22,503.72 × 8,854.96
  4. Step 4: Simplify right side
    16,306.96x = 199,269,540.45
  5. Step 5: Solve for x
    x = 199,269,540.45/16,306.96
  6. Step 6: Final answer
    x = 12,219.91

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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.