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Finding the Fourth Proportional to 40,315.80, 60,473.70 and 27,874.20

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Solution

The fourth proportional to 40,315.80, 60,473.70 and 27,874.20 is: 41,811.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,315.80 : 60,473.70 = 27,874.20 : x
  2. Step 2: Convert to fraction form
    40,315.80/60,473.70 = 27,874.20/x
  3. Step 3: Cross multiply
    40,315.80x = 60,473.70 × 27,874.20
  4. Step 4: Simplify right side
    40,315.80x = 1,685,656,008.54
  5. Step 5: Solve for x
    x = 1,685,656,008.54/40,315.80
  6. Step 6: Final answer
    x = 41,811.30

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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.