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Finding the Fourth Proportional to 37,221.70, 55,832.55 and 12,265.60

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Solution

The fourth proportional to 37,221.70, 55,832.55 and 12,265.60 is: 18,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,221.70 : 55,832.55 = 12,265.60 : x
  2. Step 2: Convert to fraction form
    37,221.70/55,832.55 = 12,265.60/x
  3. Step 3: Cross multiply
    37,221.70x = 55,832.55 × 12,265.60
  4. Step 4: Simplify right side
    37,221.70x = 684,819,725.28
  5. Step 5: Solve for x
    x = 684,819,725.28/37,221.70
  6. Step 6: Final answer
    x = 18,398.40

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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.