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Finding the Fourth Proportional to 49,161.60, 73,780.80 and 22,869.60

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Solution

The fourth proportional to 49,161.60, 73,780.80 and 22,869.60 is: 34,322.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,161.60 : 73,780.80 = 22,869.60 : x
  2. Step 2: Convert to fraction form
    49,161.60/73,780.80 = 22,869.60/x
  3. Step 3: Cross multiply
    49,161.60x = 73,780.80 × 22,869.60
  4. Step 4: Simplify right side
    49,161.60x = 1,687,337,383.68
  5. Step 5: Solve for x
    x = 1,687,337,383.68/49,161.60
  6. Step 6: Final answer
    x = 34,322.26

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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.