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Finding the Fourth Proportional to 38,268.58, 52,807.60 and 21,271.49

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Solution

The fourth proportional to 38,268.58, 52,807.60 and 21,271.49 is: 29,352.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,268.58 : 52,807.60 = 21,271.49 : x
  2. Step 2: Convert to fraction form
    38,268.58/52,807.60 = 21,271.49/x
  3. Step 3: Cross multiply
    38,268.58x = 52,807.60 × 21,271.49
  4. Step 4: Simplify right side
    38,268.58x = 1,123,296,335.32
  5. Step 5: Solve for x
    x = 1,123,296,335.32/38,268.58
  6. Step 6: Final answer
    x = 29,352.97

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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.