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Finding the Fourth Proportional to 6,608.89, 9,909.19 and 3,486.93

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Solution

The fourth proportional to 6,608.89, 9,909.19 and 3,486.93 is: 5,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.89 : 9,909.19 = 3,486.93 : x
  2. Step 2: Convert to fraction form
    6,608.89/9,909.19 = 3,486.93/x
  3. Step 3: Cross multiply
    6,608.89x = 9,909.19 × 3,486.93
  4. Step 4: Simplify right side
    6,608.89x = 34,552,651.89
  5. Step 5: Solve for x
    x = 34,552,651.89/6,608.89
  6. Step 6: Final answer
    x = 5,228.21

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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.