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Finding the Fourth Proportional to 22,314.80, 33,486.84 and 8,463.92

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Solution

The fourth proportional to 22,314.80, 33,486.84 and 8,463.92 is: 12,701.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,314.80 : 33,486.84 = 8,463.92 : x
  2. Step 2: Convert to fraction form
    22,314.80/33,486.84 = 8,463.92/x
  3. Step 3: Cross multiply
    22,314.80x = 33,486.84 × 8,463.92
  4. Step 4: Simplify right side
    22,314.80x = 283,429,934.81
  5. Step 5: Solve for x
    x = 283,429,934.81/22,314.80
  6. Step 6: Final answer
    x = 12,701.43

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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.