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Finding the Fourth Proportional to 6,656.75, 9,992.03 and 4,903.72

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Solution

The fourth proportional to 6,656.75, 9,992.03 and 4,903.72 is: 7,360.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.75 : 9,992.03 = 4,903.72 : x
  2. Step 2: Convert to fraction form
    6,656.75/9,992.03 = 4,903.72/x
  3. Step 3: Cross multiply
    6,656.75x = 9,992.03 × 4,903.72
  4. Step 4: Simplify right side
    6,656.75x = 48,998,067.85
  5. Step 5: Solve for x
    x = 48,998,067.85/6,656.75
  6. Step 6: Final answer
    x = 7,360.66

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1.5x scale

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.