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Finding the Fourth Proportional to 36,833.74, 50,834.69 and 20,920.88

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Solution

The fourth proportional to 36,833.74, 50,834.69 and 20,920.88 is: 28,873.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,833.74 : 50,834.69 = 20,920.88 : x
  2. Step 2: Convert to fraction form
    36,833.74/50,834.69 = 20,920.88/x
  3. Step 3: Cross multiply
    36,833.74x = 50,834.69 × 20,920.88
  4. Step 4: Simplify right side
    36,833.74x = 1,063,506,550.26
  5. Step 5: Solve for x
    x = 1,063,506,550.26/36,833.74
  6. Step 6: Final answer
    x = 28,873.16

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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.