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Finding the Fourth Proportional to 6,697.20, 9,221.04 and 5,900.04

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Solution

The fourth proportional to 6,697.20, 9,221.04 and 5,900.04 is: 8,123.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,697.20 : 9,221.04 = 5,900.04 : x
  2. Step 2: Convert to fraction form
    6,697.20/9,221.04 = 5,900.04/x
  3. Step 3: Cross multiply
    6,697.20x = 9,221.04 × 5,900.04
  4. Step 4: Simplify right side
    6,697.20x = 54,404,504.84
  5. Step 5: Solve for x
    x = 54,404,504.84/6,697.20
  6. Step 6: Final answer
    x = 8,123.47

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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.