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Finding the Fourth Proportional to 7,398, 11,100.04 and 5,433.71

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Solution

The fourth proportional to 7,398, 11,100.04 and 5,433.71 is: 8,152.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398 : 11,100.04 = 5,433.71 : x
  2. Step 2: Convert to fraction form
    7,398/11,100.04 = 5,433.71/x
  3. Step 3: Cross multiply
    7,398x = 11,100.04 × 5,433.71
  4. Step 4: Simplify right side
    7,398x = 60,314,329.26
  5. Step 5: Solve for x
    x = 60,314,329.26/7,398
  6. Step 6: Final answer
    x = 8,152.79

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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.