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Finding the Fourth Proportional to 38,323.88, 57,396.63 and 36,993.74

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Solution

The fourth proportional to 38,323.88, 57,396.63 and 36,993.74 is: 55,404.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,323.88 : 57,396.63 = 36,993.74 : x
  2. Step 2: Convert to fraction form
    38,323.88/57,396.63 = 36,993.74/x
  3. Step 3: Cross multiply
    38,323.88x = 57,396.63 × 36,993.74
  4. Step 4: Simplify right side
    38,323.88x = 2,123,316,007.10
  5. Step 5: Solve for x
    x = 2,123,316,007.10/38,323.88
  6. Step 6: Final answer
    x = 55,404.52

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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.