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Finding the Fourth Proportional to 16,056.84, 22,159.30 and 8,982.84

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Solution

The fourth proportional to 16,056.84, 22,159.30 and 8,982.84 is: 12,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,056.84 : 22,159.30 = 8,982.84 : x
  2. Step 2: Convert to fraction form
    16,056.84/22,159.30 = 8,982.84/x
  3. Step 3: Cross multiply
    16,056.84x = 22,159.30 × 8,982.84
  4. Step 4: Simplify right side
    16,056.84x = 199,053,446.41
  5. Step 5: Solve for x
    x = 199,053,446.41/16,056.84
  6. Step 6: Final answer
    x = 12,396.80

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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.