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Finding the Fourth Proportional to 6,618.09, 9,924.49 and 2,917.69

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Solution

The fourth proportional to 6,618.09, 9,924.49 and 2,917.69 is: 4,375.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.09 : 9,924.49 = 2,917.69 : x
  2. Step 2: Convert to fraction form
    6,618.09/9,924.49 = 2,917.69/x
  3. Step 3: Cross multiply
    6,618.09x = 9,924.49 × 2,917.69
  4. Step 4: Simplify right side
    6,618.09x = 28,956,564.06
  5. Step 5: Solve for x
    x = 28,956,564.06/6,618.09
  6. Step 6: Final answer
    x = 4,375.37

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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.