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Finding the Fourth Proportional to 7,923.33, 10,919.90 and 7,016.18

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Solution

The fourth proportional to 7,923.33, 10,919.90 and 7,016.18 is: 9,669.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.33 : 10,919.90 = 7,016.18 : x
  2. Step 2: Convert to fraction form
    7,923.33/10,919.90 = 7,016.18/x
  3. Step 3: Cross multiply
    7,923.33x = 10,919.90 × 7,016.18
  4. Step 4: Simplify right side
    7,923.33x = 76,615,987.87
  5. Step 5: Solve for x
    x = 76,615,987.87/7,923.33
  6. Step 6: Final answer
    x = 9,669.67

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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.