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Finding the Fourth Proportional to 6,608.77, 9,909.57 and 2,906.66

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Solution

The fourth proportional to 6,608.77, 9,909.57 and 2,906.66 is: 4,358.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.77 : 9,909.57 = 2,906.66 : x
  2. Step 2: Convert to fraction form
    6,608.77/9,909.57 = 2,906.66/x
  3. Step 3: Cross multiply
    6,608.77x = 9,909.57 × 2,906.66
  4. Step 4: Simplify right side
    6,608.77x = 28,803,750.74
  5. Step 5: Solve for x
    x = 28,803,750.74/6,608.77
  6. Step 6: Final answer
    x = 4,358.41

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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.