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Finding the Fourth Proportional to 6,644.68, 9,169.65 and 3,660.50

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Solution

The fourth proportional to 6,644.68, 9,169.65 and 3,660.50 is: 5,051.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.68 : 9,169.65 = 3,660.50 : x
  2. Step 2: Convert to fraction form
    6,644.68/9,169.65 = 3,660.50/x
  3. Step 3: Cross multiply
    6,644.68x = 9,169.65 × 3,660.50
  4. Step 4: Simplify right side
    6,644.68x = 33,565,526.75
  5. Step 5: Solve for x
    x = 33,565,526.75/6,644.68
  6. Step 6: Final answer
    x = 5,051.49

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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.