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Finding the Fourth Proportional to 55,788.40, 83,609.70 and 22,481.20

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Solution

The fourth proportional to 55,788.40, 83,609.70 and 22,481.20 is: 33,692.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,788.40 : 83,609.70 = 22,481.20 : x
  2. Step 2: Convert to fraction form
    55,788.40/83,609.70 = 22,481.20/x
  3. Step 3: Cross multiply
    55,788.40x = 83,609.70 × 22,481.20
  4. Step 4: Simplify right side
    55,788.40x = 1,879,646,387.64
  5. Step 5: Solve for x
    x = 1,879,646,387.64/55,788.40
  6. Step 6: Final answer
    x = 33,692.42

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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.