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Finding the Fourth Proportional to 12,365.15, 18,548.27 and 4,045.13

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Solution

The fourth proportional to 12,365.15, 18,548.27 and 4,045.13 is: 6,067.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.15 : 18,548.27 = 4,045.13 : x
  2. Step 2: Convert to fraction form
    12,365.15/18,548.27 = 4,045.13/x
  3. Step 3: Cross multiply
    12,365.15x = 18,548.27 × 4,045.13
  4. Step 4: Simplify right side
    12,365.15x = 75,030,143.20
  5. Step 5: Solve for x
    x = 75,030,143.20/12,365.15
  6. Step 6: Final answer
    x = 6,067.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.