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Finding the Fourth Proportional to 6,644,059.24, 9,965,301.54 and 2,156,335.24

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Solution

The fourth proportional to 6,644,059.24, 9,965,301.54 and 2,156,335.24 is: 3,234,247.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644,059.24 : 9,965,301.54 = 2,156,335.24 : x
  2. Step 2: Convert to fraction form
    6,644,059.24/9,965,301.54 = 2,156,335.24/x
  3. Step 3: Cross multiply
    6,644,059.24x = 9,965,301.54 × 2,156,335.24
  4. Step 4: Simplify right side
    6,644,059.24x = 21,488,530,887,928.27
  5. Step 5: Solve for x
    x = 21,488,530,887,928.27/6,644,059.24
  6. Step 6: Final answer
    x = 3,234,247.33

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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.