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Finding the Fourth Proportional to 6,653,757.36, 9,979,164.54 and 1,860,157.92

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Solution

The fourth proportional to 6,653,757.36, 9,979,164.54 and 1,860,157.92 is: 2,789,825.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653,757.36 : 9,979,164.54 = 1,860,157.92 : x
  2. Step 2: Convert to fraction form
    6,653,757.36/9,979,164.54 = 1,860,157.92/x
  3. Step 3: Cross multiply
    6,653,757.36x = 9,979,164.54 × 1,860,157.92
  4. Step 4: Simplify right side
    6,653,757.36x = 18,562,821,954,064.16
  5. Step 5: Solve for x
    x = 18,562,821,954,064.16/6,653,757.36
  6. Step 6: Final answer
    x = 2,789,825.50

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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.