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Finding the Fourth Proportional to 13,443.66, 18,552.48 and 7,394.16

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Solution

The fourth proportional to 13,443.66, 18,552.48 and 7,394.16 is: 10,204.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443.66 : 18,552.48 = 7,394.16 : x
  2. Step 2: Convert to fraction form
    13,443.66/18,552.48 = 7,394.16/x
  3. Step 3: Cross multiply
    13,443.66x = 18,552.48 × 7,394.16
  4. Step 4: Simplify right side
    13,443.66x = 137,180,005.52
  5. Step 5: Solve for x
    x = 137,180,005.52/13,443.66
  6. Step 6: Final answer
    x = 10,204.07

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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.