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Finding the Fourth Proportional to 38,071.56, 52,540.47 and 21,304.56

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Solution

The fourth proportional to 38,071.56, 52,540.47 and 21,304.56 is: 29,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,071.56 : 52,540.47 = 21,304.56 : x
  2. Step 2: Convert to fraction form
    38,071.56/52,540.47 = 21,304.56/x
  3. Step 3: Cross multiply
    38,071.56x = 52,540.47 × 21,304.56
  4. Step 4: Simplify right side
    38,071.56x = 1,119,351,595.54
  5. Step 5: Solve for x
    x = 1,119,351,595.54/38,071.56
  6. Step 6: Final answer
    x = 29,401.25

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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.