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Finding the Fourth Proportional to 7,660.39, 10,568.57 and 5,009.33

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Solution

The fourth proportional to 7,660.39, 10,568.57 and 5,009.33 is: 6,911.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.39 : 10,568.57 = 5,009.33 : x
  2. Step 2: Convert to fraction form
    7,660.39/10,568.57 = 5,009.33/x
  3. Step 3: Cross multiply
    7,660.39x = 10,568.57 × 5,009.33
  4. Step 4: Simplify right side
    7,660.39x = 52,941,454.76
  5. Step 5: Solve for x
    x = 52,941,454.76/7,660.39
  6. Step 6: Final answer
    x = 6,911.07

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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.