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Finding the Fourth Proportional to 8,544.89, 11,788.80 and 5,358.30

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Solution

The fourth proportional to 8,544.89, 11,788.80 and 5,358.30 is: 7,392.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.89 : 11,788.80 = 5,358.30 : x
  2. Step 2: Convert to fraction form
    8,544.89/11,788.80 = 5,358.30/x
  3. Step 3: Cross multiply
    8,544.89x = 11,788.80 × 5,358.30
  4. Step 4: Simplify right side
    8,544.89x = 63,167,927.04
  5. Step 5: Solve for x
    x = 63,167,927.04/8,544.89
  6. Step 6: Final answer
    x = 7,392.48

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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.