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Finding the Fourth Proportional to 35,988.62, 49,664.49 and 20,073.74

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Solution

The fourth proportional to 35,988.62, 49,664.49 and 20,073.74 is: 27,701.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,988.62 : 49,664.49 = 20,073.74 : x
  2. Step 2: Convert to fraction form
    35,988.62/49,664.49 = 20,073.74/x
  3. Step 3: Cross multiply
    35,988.62x = 49,664.49 × 20,073.74
  4. Step 4: Simplify right side
    35,988.62x = 996,952,183.65
  5. Step 5: Solve for x
    x = 996,952,183.65/35,988.62
  6. Step 6: Final answer
    x = 27,701.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.