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Finding the Fourth Proportional to 6,448,674.15, 9,665,677.88 and 3,369,918.02

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Solution

The fourth proportional to 6,448,674.15, 9,665,677.88 and 3,369,918.02 is: 5,051,044.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448,674.15 : 9,665,677.88 = 3,369,918.02 : x
  2. Step 2: Convert to fraction form
    6,448,674.15/9,665,677.88 = 3,369,918.02/x
  3. Step 3: Cross multiply
    6,448,674.15x = 9,665,677.88 × 3,369,918.02
  4. Step 4: Simplify right side
    6,448,674.15x = 32,572,541,998,149.42
  5. Step 5: Solve for x
    x = 32,572,541,998,149.42/6,448,674.15
  6. Step 6: Final answer
    x = 5,051,044.79

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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.