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Finding the Fourth Proportional to 9,904,134.06, 13,662,674.70 and 6,468,386.22

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Solution

The fourth proportional to 9,904,134.06, 13,662,674.70 and 6,468,386.22 is: 8,923,087.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,904,134.06 : 13,662,674.70 = 6,468,386.22 : x
  2. Step 2: Convert to fraction form
    9,904,134.06/13,662,674.70 = 6,468,386.22/x
  3. Step 3: Cross multiply
    9,904,134.06x = 13,662,674.70 × 6,468,386.22
  4. Step 4: Simplify right side
    9,904,134.06x = 88,375,456,757,822.62
  5. Step 5: Solve for x
    x = 88,375,456,757,822.62/9,904,134.06
  6. Step 6: Final answer
    x = 8,923,087.69

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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.