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Finding the Fourth Proportional to 5,548.89, 8,322.78 and 1,653.33

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Solution

The fourth proportional to 5,548.89, 8,322.78 and 1,653.33 is: 2,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.89 : 8,322.78 = 1,653.33 : x
  2. Step 2: Convert to fraction form
    5,548.89/8,322.78 = 1,653.33/x
  3. Step 3: Cross multiply
    5,548.89x = 8,322.78 × 1,653.33
  4. Step 4: Simplify right side
    5,548.89x = 13,760,301.86
  5. Step 5: Solve for x
    x = 13,760,301.86/5,548.89
  6. Step 6: Final answer
    x = 2,479.83

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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.