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Finding the Fourth Proportional to 6,411,498.88, 8,847,868.26 and 3,511,067.08

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Solution

The fourth proportional to 6,411,498.88, 8,847,868.26 and 3,511,067.08 is: 4,845,272.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,411,498.88 : 8,847,868.26 = 3,511,067.08 : x
  2. Step 2: Convert to fraction form
    6,411,498.88/8,847,868.26 = 3,511,067.08/x
  3. Step 3: Cross multiply
    6,411,498.88x = 8,847,868.26 × 3,511,067.08
  4. Step 4: Simplify right side
    6,411,498.88x = 31,065,458,975,862.88
  5. Step 5: Solve for x
    x = 31,065,458,975,862.88/6,411,498.88
  6. Step 6: Final answer
    x = 4,845,272.46

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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.