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Finding the Fourth Proportional to 16,295.78, 22,488.15 and 8,843.78

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Solution

The fourth proportional to 16,295.78, 22,488.15 and 8,843.78 is: 12,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,295.78 : 22,488.15 = 8,843.78 : x
  2. Step 2: Convert to fraction form
    16,295.78/22,488.15 = 8,843.78/x
  3. Step 3: Cross multiply
    16,295.78x = 22,488.15 × 8,843.78
  4. Step 4: Simplify right side
    16,295.78x = 198,880,138.77
  5. Step 5: Solve for x
    x = 198,880,138.77/16,295.78
  6. Step 6: Final answer
    x = 12,204.40

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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.