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Finding the Fourth Proportional to 6,608.69, 9,119.79 and 3,624.45

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Solution

The fourth proportional to 6,608.69, 9,119.79 and 3,624.45 is: 5,001.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.69 : 9,119.79 = 3,624.45 : x
  2. Step 2: Convert to fraction form
    6,608.69/9,119.79 = 3,624.45/x
  3. Step 3: Cross multiply
    6,608.69x = 9,119.79 × 3,624.45
  4. Step 4: Simplify right side
    6,608.69x = 33,054,188.67
  5. Step 5: Solve for x
    x = 33,054,188.67/6,608.69
  6. Step 6: Final answer
    x = 5,001.63

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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.