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Finding the Fourth Proportional to 6,869,604.07, 9,479,622.44 and 3,772,105.74

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Solution

The fourth proportional to 6,869,604.07, 9,479,622.44 and 3,772,105.74 is: 5,205,269.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869,604.07 : 9,479,622.44 = 3,772,105.74 : x
  2. Step 2: Convert to fraction form
    6,869,604.07/9,479,622.44 = 3,772,105.74/x
  3. Step 3: Cross multiply
    6,869,604.07x = 9,479,622.44 × 3,772,105.74
  4. Step 4: Simplify right side
    6,869,604.07x = 35,758,138,228,387.08
  5. Step 5: Solve for x
    x = 35,758,138,228,387.08/6,869,604.07
  6. Step 6: Final answer
    x = 5,205,269.16

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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.