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Finding the Fourth Proportional to 6,643,634.40, 9,965,458.08 and 1,851,337.44

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Solution

The fourth proportional to 6,643,634.40, 9,965,458.08 and 1,851,337.44 is: 2,777,007.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,634.40 : 9,965,458.08 = 1,851,337.44 : x
  2. Step 2: Convert to fraction form
    6,643,634.40/9,965,458.08 = 1,851,337.44/x
  3. Step 3: Cross multiply
    6,643,634.40x = 9,965,458.08 × 1,851,337.44
  4. Step 4: Simplify right side
    6,643,634.40x = 18,449,425,650,254.52
  5. Step 5: Solve for x
    x = 18,449,425,650,254.52/6,643,634.40
  6. Step 6: Final answer
    x = 2,777,007.97

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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.