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Finding the Fourth Proportional to 6,465,571.06, 9,687,381.71 and 3,901,398.30

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Solution

The fourth proportional to 6,465,571.06, 9,687,381.71 and 3,901,398.30 is: 5,845,475.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,465,571.06 : 9,687,381.71 = 3,901,398.30 : x
  2. Step 2: Convert to fraction form
    6,465,571.06/9,687,381.71 = 3,901,398.30/x
  3. Step 3: Cross multiply
    6,465,571.06x = 9,687,381.71 × 3,901,398.30
  4. Step 4: Simplify right side
    6,465,571.06x = 37,794,334,534,845.09
  5. Step 5: Solve for x
    x = 37,794,334,534,845.09/6,465,571.06
  6. Step 6: Final answer
    x = 5,845,475.08

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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.