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Finding the Fourth Proportional to 12,365.52, 18,525.04 and 6,118.28

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Solution

The fourth proportional to 12,365.52, 18,525.04 and 6,118.28 is: 9,165.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.52 : 18,525.04 = 6,118.28 : x
  2. Step 2: Convert to fraction form
    12,365.52/18,525.04 = 6,118.28/x
  3. Step 3: Cross multiply
    12,365.52x = 18,525.04 × 6,118.28
  4. Step 4: Simplify right side
    12,365.52x = 113,341,381.73
  5. Step 5: Solve for x
    x = 113,341,381.73/12,365.52
  6. Step 6: Final answer
    x = 9,165.92

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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.