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Finding the Fourth Proportional to 38,387.60, 57,667.80 and 37,350.80

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Solution

The fourth proportional to 38,387.60, 57,667.80 and 37,350.80 is: 56,110.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,387.60 : 57,667.80 = 37,350.80 : x
  2. Step 2: Convert to fraction form
    38,387.60/57,667.80 = 37,350.80/x
  3. Step 3: Cross multiply
    38,387.60x = 57,667.80 × 37,350.80
  4. Step 4: Simplify right side
    38,387.60x = 2,153,938,464.24
  5. Step 5: Solve for x
    x = 2,153,938,464.24/38,387.60
  6. Step 6: Final answer
    x = 56,110.27

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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.