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Finding the Fourth Proportional to 37,261.85, 51,421.37 and 20,494.85

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Solution

The fourth proportional to 37,261.85, 51,421.37 and 20,494.85 is: 28,282.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,261.85 : 51,421.37 = 20,494.85 : x
  2. Step 2: Convert to fraction form
    37,261.85/51,421.37 = 20,494.85/x
  3. Step 3: Cross multiply
    37,261.85x = 51,421.37 × 20,494.85
  4. Step 4: Simplify right side
    37,261.85x = 1,053,872,905.36
  5. Step 5: Solve for x
    x = 1,053,872,905.36/37,261.85
  6. Step 6: Final answer
    x = 28,282.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.