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Finding the Fourth Proportional to 37,400.96, 55,736.88 and 36,321.44

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Solution

The fourth proportional to 37,400.96, 55,736.88 and 36,321.44 is: 54,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,400.96 : 55,736.88 = 36,321.44 : x
  2. Step 2: Convert to fraction form
    37,400.96/55,736.88 = 36,321.44/x
  3. Step 3: Cross multiply
    37,400.96x = 55,736.88 × 36,321.44
  4. Step 4: Simplify right side
    37,400.96x = 2,024,443,742.71
  5. Step 5: Solve for x
    x = 2,024,443,742.71/37,400.96
  6. Step 6: Final answer
    x = 54,128.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.