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Finding the Fourth Proportional to 9,316.62, 13,974.06 and 3,393.54

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Solution

The fourth proportional to 9,316.62, 13,974.06 and 3,393.54 is: 5,089.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.62 : 13,974.06 = 3,393.54 : x
  2. Step 2: Convert to fraction form
    9,316.62/13,974.06 = 3,393.54/x
  3. Step 3: Cross multiply
    9,316.62x = 13,974.06 × 3,393.54
  4. Step 4: Simplify right side
    9,316.62x = 47,421,531.57
  5. Step 5: Solve for x
    x = 47,421,531.57/9,316.62
  6. Step 6: Final answer
    x = 5,089.99

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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.