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Finding the Fourth Proportional to 6,643,295.70, 9,964,425.15 and 2,598,998.10

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Solution

The fourth proportional to 6,643,295.70, 9,964,425.15 and 2,598,998.10 is: 3,898,294.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,295.70 : 9,964,425.15 = 2,598,998.10 : x
  2. Step 2: Convert to fraction form
    6,643,295.70/9,964,425.15 = 2,598,998.10/x
  3. Step 3: Cross multiply
    6,643,295.70x = 9,964,425.15 × 2,598,998.10
  4. Step 4: Simplify right side
    6,643,295.70x = 25,897,522,032,442.22
  5. Step 5: Solve for x
    x = 25,897,522,032,442.22/6,643,295.70
  6. Step 6: Final answer
    x = 3,898,294.34

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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.