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Finding the Fourth Proportional to 7,199.04, 9,933.99 and 5,311.67

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Solution

The fourth proportional to 7,199.04, 9,933.99 and 5,311.67 is: 7,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.04 : 9,933.99 = 5,311.67 : x
  2. Step 2: Convert to fraction form
    7,199.04/9,933.99 = 5,311.67/x
  3. Step 3: Cross multiply
    7,199.04x = 9,933.99 × 5,311.67
  4. Step 4: Simplify right side
    7,199.04x = 52,766,076.66
  5. Step 5: Solve for x
    x = 52,766,076.66/7,199.04
  6. Step 6: Final answer
    x = 7,329.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.