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Finding the Fourth Proportional to 27,322.80, 40,959.90 and 16,217.70

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Solution

The fourth proportional to 27,322.80, 40,959.90 and 16,217.70 is: 24,312.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,322.80 : 40,959.90 = 16,217.70 : x
  2. Step 2: Convert to fraction form
    27,322.80/40,959.90 = 16,217.70/x
  3. Step 3: Cross multiply
    27,322.80x = 40,959.90 × 16,217.70
  4. Step 4: Simplify right side
    27,322.80x = 664,275,370.23
  5. Step 5: Solve for x
    x = 664,275,370.23/27,322.80
  6. Step 6: Final answer
    x = 24,312.13

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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.