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Finding the Fourth Proportional to 6,642,965.52, 9,967,548.96 and 2,598,405.48

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Solution

The fourth proportional to 6,642,965.52, 9,967,548.96 and 2,598,405.48 is: 3,898,821.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,965.52 : 9,967,548.96 = 2,598,405.48 : x
  2. Step 2: Convert to fraction form
    6,642,965.52/9,967,548.96 = 2,598,405.48/x
  3. Step 3: Cross multiply
    6,642,965.52x = 9,967,548.96 × 2,598,405.48
  4. Step 4: Simplify right side
    6,642,965.52x = 25,899,733,839,832.30
  5. Step 5: Solve for x
    x = 25,899,733,839,832.30/6,642,965.52
  6. Step 6: Final answer
    x = 3,898,821.06

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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.