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Finding the Fourth Proportional to 6,655,952.22, 9,983,957.52 and 2,107,023.30

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Solution

The fourth proportional to 6,655,952.22, 9,983,957.52 and 2,107,023.30 is: 3,160,544.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655,952.22 : 9,983,957.52 = 2,107,023.30 : x
  2. Step 2: Convert to fraction form
    6,655,952.22/9,983,957.52 = 2,107,023.30/x
  3. Step 3: Cross multiply
    6,655,952.22x = 9,983,957.52 × 2,107,023.30
  4. Step 4: Simplify right side
    6,655,952.22x = 21,036,431,120,850.21
  5. Step 5: Solve for x
    x = 21,036,431,120,850.21/6,655,952.22
  6. Step 6: Final answer
    x = 3,160,544.19

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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.