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Finding the Fourth Proportional to 7,297.48, 10,928.67 and 4,167.99

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Solution

The fourth proportional to 7,297.48, 10,928.67 and 4,167.99 is: 6,241.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,297.48 : 10,928.67 = 4,167.99 : x
  2. Step 2: Convert to fraction form
    7,297.48/10,928.67 = 4,167.99/x
  3. Step 3: Cross multiply
    7,297.48x = 10,928.67 × 4,167.99
  4. Step 4: Simplify right side
    7,297.48x = 45,550,571.64
  5. Step 5: Solve for x
    x = 45,550,571.64/7,297.48
  6. Step 6: Final answer
    x = 6,241.96

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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.