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Finding the Fourth Proportional to 13,362.52, 18,436.52 and 7,695.22

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Solution

The fourth proportional to 13,362.52, 18,436.52 and 7,695.22 is: 10,617.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.52 : 18,436.52 = 7,695.22 : x
  2. Step 2: Convert to fraction form
    13,362.52/18,436.52 = 7,695.22/x
  3. Step 3: Cross multiply
    13,362.52x = 18,436.52 × 7,695.22
  4. Step 4: Simplify right side
    13,362.52x = 141,873,077.43
  5. Step 5: Solve for x
    x = 141,873,077.43/13,362.52
  6. Step 6: Final answer
    x = 10,617.24

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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.