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Finding the Fourth Proportional to 37,219.20, 55,827.90 and 22,416.90

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Solution

The fourth proportional to 37,219.20, 55,827.90 and 22,416.90 is: 33,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,219.20 : 55,827.90 = 22,416.90 : x
  2. Step 2: Convert to fraction form
    37,219.20/55,827.90 = 22,416.90/x
  3. Step 3: Cross multiply
    37,219.20x = 55,827.90 × 22,416.90
  4. Step 4: Simplify right side
    37,219.20x = 1,251,488,451.51
  5. Step 5: Solve for x
    x = 1,251,488,451.51/37,219.20
  6. Step 6: Final answer
    x = 33,624.81

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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.