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Finding the Fourth Proportional to 37,960.80, 56,957.40 and 18,229.20

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Solution

The fourth proportional to 37,960.80, 56,957.40 and 18,229.20 is: 27,351.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,960.80 : 56,957.40 = 18,229.20 : x
  2. Step 2: Convert to fraction form
    37,960.80/56,957.40 = 18,229.20/x
  3. Step 3: Cross multiply
    37,960.80x = 56,957.40 × 18,229.20
  4. Step 4: Simplify right side
    37,960.80x = 1,038,287,836.08
  5. Step 5: Solve for x
    x = 1,038,287,836.08/37,960.80
  6. Step 6: Final answer
    x = 27,351.58

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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.