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Finding the Fourth Proportional to 36,863, 50,869.30 and 20,948.92

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Solution

The fourth proportional to 36,863, 50,869.30 and 20,948.92 is: 28,908.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,863 : 50,869.30 = 20,948.92 : x
  2. Step 2: Convert to fraction form
    36,863/50,869.30 = 20,948.92/x
  3. Step 3: Cross multiply
    36,863x = 50,869.30 × 20,948.92
  4. Step 4: Simplify right side
    36,863x = 1,065,656,896.16
  5. Step 5: Solve for x
    x = 1,065,656,896.16/36,863
  6. Step 6: Final answer
    x = 28,908.58

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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.