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Finding the Fourth Proportional to 75,793.39, 113,657.06 and 21,746.14

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Solution

The fourth proportional to 75,793.39, 113,657.06 and 21,746.14 is: 32,609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,793.39 : 113,657.06 = 21,746.14 : x
  2. Step 2: Convert to fraction form
    75,793.39/113,657.06 = 21,746.14/x
  3. Step 3: Cross multiply
    75,793.39x = 113,657.06 × 21,746.14
  4. Step 4: Simplify right side
    75,793.39x = 2,471,601,986.65
  5. Step 5: Solve for x
    x = 2,471,601,986.65/75,793.39
  6. Step 6: Final answer
    x = 32,609.73

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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.