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Finding the Fourth Proportional to 60,369.76, 90,578.64 and 27,080.80

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Solution

The fourth proportional to 60,369.76, 90,578.64 and 27,080.80 is: 40,631.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,369.76 : 90,578.64 = 27,080.80 : x
  2. Step 2: Convert to fraction form
    60,369.76/90,578.64 = 27,080.80/x
  3. Step 3: Cross multiply
    60,369.76x = 90,578.64 × 27,080.80
  4. Step 4: Simplify right side
    60,369.76x = 2,452,942,034.11
  5. Step 5: Solve for x
    x = 2,452,942,034.11/60,369.76
  6. Step 6: Final answer
    x = 40,631.97

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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.