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Finding the Fourth Proportional to 6,644,553.60, 9,977,889.60 and 3,654,883.20

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Solution

The fourth proportional to 6,644,553.60, 9,977,889.60 and 3,654,883.20 is: 5,488,407.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644,553.60 : 9,977,889.60 = 3,654,883.20 : x
  2. Step 2: Convert to fraction form
    6,644,553.60/9,977,889.60 = 3,654,883.20/x
  3. Step 3: Cross multiply
    6,644,553.60x = 9,977,889.60 × 3,654,883.20
  4. Step 4: Simplify right side
    6,644,553.60x = 36,468,021,070,494.72
  5. Step 5: Solve for x
    x = 36,468,021,070,494.72/6,644,553.60
  6. Step 6: Final answer
    x = 5,488,407.99

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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.