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Finding the Fourth Proportional to 7,343.63, 11,015.16 and 2,078.67

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Solution

The fourth proportional to 7,343.63, 11,015.16 and 2,078.67 is: 3,117.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.63 : 11,015.16 = 2,078.67 : x
  2. Step 2: Convert to fraction form
    7,343.63/11,015.16 = 2,078.67/x
  3. Step 3: Cross multiply
    7,343.63x = 11,015.16 × 2,078.67
  4. Step 4: Simplify right side
    7,343.63x = 22,896,882.64
  5. Step 5: Solve for x
    x = 22,896,882.64/7,343.63
  6. Step 6: Final answer
    x = 3,117.93

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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.