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Finding the Fourth Proportional to 37,211.20, 55,815.90 and 22,408.90

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Solution

The fourth proportional to 37,211.20, 55,815.90 and 22,408.90 is: 33,612.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,211.20 : 55,815.90 = 22,408.90 : x
  2. Step 2: Convert to fraction form
    37,211.20/55,815.90 = 22,408.90/x
  3. Step 3: Cross multiply
    37,211.20x = 55,815.90 × 22,408.90
  4. Step 4: Simplify right side
    37,211.20x = 1,250,772,921.51
  5. Step 5: Solve for x
    x = 1,250,772,921.51/37,211.20
  6. Step 6: Final answer
    x = 33,612.81

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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.