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Finding the Fourth Proportional to 16,841.80, 25,223.70 and 8,392.92

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Solution

The fourth proportional to 16,841.80, 25,223.70 and 8,392.92 is: 12,569.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,841.80 : 25,223.70 = 8,392.92 : x
  2. Step 2: Convert to fraction form
    16,841.80/25,223.70 = 8,392.92/x
  3. Step 3: Cross multiply
    16,841.80x = 25,223.70 × 8,392.92
  4. Step 4: Simplify right side
    16,841.80x = 211,700,496.20
  5. Step 5: Solve for x
    x = 211,700,496.20/16,841.80
  6. Step 6: Final answer
    x = 12,569.94

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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.