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Finding the Fourth Proportional to 6,632.48, 9,160.80 and 5,759.20

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Solution

The fourth proportional to 6,632.48, 9,160.80 and 5,759.20 is: 7,954.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,632.48 : 9,160.80 = 5,759.20 : x
  2. Step 2: Convert to fraction form
    6,632.48/9,160.80 = 5,759.20/x
  3. Step 3: Cross multiply
    6,632.48x = 9,160.80 × 5,759.20
  4. Step 4: Simplify right side
    6,632.48x = 52,758,869.21
  5. Step 5: Solve for x
    x = 52,758,869.21/6,632.48
  6. Step 6: Final answer
    x = 7,954.62

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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.