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Finding the Fourth Proportional to 9,960.75, 14,928.33 and 5,019.33

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Solution

The fourth proportional to 9,960.75, 14,928.33 and 5,019.33 is: 7,522.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,960.75 : 14,928.33 = 5,019.33 : x
  2. Step 2: Convert to fraction form
    9,960.75/14,928.33 = 5,019.33/x
  3. Step 3: Cross multiply
    9,960.75x = 14,928.33 × 5,019.33
  4. Step 4: Simplify right side
    9,960.75x = 74,930,214.62
  5. Step 5: Solve for x
    x = 74,930,214.62/9,960.75
  6. Step 6: Final answer
    x = 7,522.55

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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.