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Finding the Fourth Proportional to 27,166.60, 40,701.30 and 16,766.20

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Solution

The fourth proportional to 27,166.60, 40,701.30 and 16,766.20 is: 25,119.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,166.60 : 40,701.30 = 16,766.20 : x
  2. Step 2: Convert to fraction form
    27,166.60/40,701.30 = 16,766.20/x
  3. Step 3: Cross multiply
    27,166.60x = 40,701.30 × 16,766.20
  4. Step 4: Simplify right side
    27,166.60x = 682,406,136.06
  5. Step 5: Solve for x
    x = 682,406,136.06/27,166.60
  6. Step 6: Final answer
    x = 25,119.31

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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.