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Finding the Fourth Proportional to 7,394.78, 11,097.15 and 3,013.03

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Solution

The fourth proportional to 7,394.78, 11,097.15 and 3,013.03 is: 4,521.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,394.78 : 11,097.15 = 3,013.03 : x
  2. Step 2: Convert to fraction form
    7,394.78/11,097.15 = 3,013.03/x
  3. Step 3: Cross multiply
    7,394.78x = 11,097.15 × 3,013.03
  4. Step 4: Simplify right side
    7,394.78x = 33,435,990.38
  5. Step 5: Solve for x
    x = 33,435,990.38/7,394.78
  6. Step 6: Final answer
    x = 4,521.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.