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Finding the Fourth Proportional to 16,520.62, 22,767.03 and 16,217.01

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Solution

The fourth proportional to 16,520.62, 22,767.03 and 16,217.01 is: 22,348.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.62 : 22,767.03 = 16,217.01 : x
  2. Step 2: Convert to fraction form
    16,520.62/22,767.03 = 16,217.01/x
  3. Step 3: Cross multiply
    16,520.62x = 22,767.03 × 16,217.01
  4. Step 4: Simplify right side
    16,520.62x = 369,213,136.81
  5. Step 5: Solve for x
    x = 369,213,136.81/16,520.62
  6. Step 6: Final answer
    x = 22,348.62

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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.