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Finding the Fourth Proportional to 27,200.80, 40,743.60 and 24,282.40

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Solution

The fourth proportional to 27,200.80, 40,743.60 and 24,282.40 is: 36,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,200.80 : 40,743.60 = 24,282.40 : x
  2. Step 2: Convert to fraction form
    27,200.80/40,743.60 = 24,282.40/x
  3. Step 3: Cross multiply
    27,200.80x = 40,743.60 × 24,282.40
  4. Step 4: Simplify right side
    27,200.80x = 989,352,392.64
  5. Step 5: Solve for x
    x = 989,352,392.64/27,200.80
  6. Step 6: Final answer
    x = 36,372.18

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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.