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Finding the Fourth Proportional to 6,698.88, 9,229.44 and 6,102.72

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Solution

The fourth proportional to 6,698.88, 9,229.44 and 6,102.72 is: 8,408.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,698.88 : 9,229.44 = 6,102.72 : x
  2. Step 2: Convert to fraction form
    6,698.88/9,229.44 = 6,102.72/x
  3. Step 3: Cross multiply
    6,698.88x = 9,229.44 × 6,102.72
  4. Step 4: Simplify right side
    6,698.88x = 56,324,688.08
  5. Step 5: Solve for x
    x = 56,324,688.08/6,698.88
  6. Step 6: Final answer
    x = 8,408.08

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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.