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Finding the Fourth Proportional to 16,474.59, 22,734.93 and 8,920.98

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Solution

The fourth proportional to 16,474.59, 22,734.93 and 8,920.98 is: 12,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,474.59 : 22,734.93 = 8,920.98 : x
  2. Step 2: Convert to fraction form
    16,474.59/22,734.93 = 8,920.98/x
  3. Step 3: Cross multiply
    16,474.59x = 22,734.93 × 8,920.98
  4. Step 4: Simplify right side
    16,474.59x = 202,817,855.83
  5. Step 5: Solve for x
    x = 202,817,855.83/16,474.59
  6. Step 6: Final answer
    x = 12,310.95

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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.