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Finding the Fourth Proportional to 11,843.32, 16,349.72 and 7,368.52

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Solution

The fourth proportional to 11,843.32, 16,349.72 and 7,368.52 is: 10,172.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,843.32 : 16,349.72 = 7,368.52 : x
  2. Step 2: Convert to fraction form
    11,843.32/16,349.72 = 7,368.52/x
  3. Step 3: Cross multiply
    11,843.32x = 16,349.72 × 7,368.52
  4. Step 4: Simplify right side
    11,843.32x = 120,473,238.81
  5. Step 5: Solve for x
    x = 120,473,238.81/11,843.32
  6. Step 6: Final answer
    x = 10,172.25

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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.