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Finding the Fourth Proportional to 37,210.70, 55,815.15 and 22,408.40

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Solution

The fourth proportional to 37,210.70, 55,815.15 and 22,408.40 is: 33,612.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,210.70 : 55,815.15 = 22,408.40 : x
  2. Step 2: Convert to fraction form
    37,210.70/55,815.15 = 22,408.40/x
  3. Step 3: Cross multiply
    37,210.70x = 55,815.15 × 22,408.40
  4. Step 4: Simplify right side
    37,210.70x = 1,250,728,207.26
  5. Step 5: Solve for x
    x = 1,250,728,207.26/37,210.70
  6. Step 6: Final answer
    x = 33,612.06

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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.