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Finding the Fourth Proportional to 5,901,486.80, 8,841,343.80 and 3,369,621.20

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Solution

The fourth proportional to 5,901,486.80, 8,841,343.80 and 3,369,621.20 is: 5,048,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,901,486.80 : 8,841,343.80 = 3,369,621.20 : x
  2. Step 2: Convert to fraction form
    5,901,486.80/8,841,343.80 = 3,369,621.20/x
  3. Step 3: Cross multiply
    5,901,486.80x = 8,841,343.80 × 3,369,621.20
  4. Step 4: Simplify right side
    5,901,486.80x = 29,791,979,504,968.56
  5. Step 5: Solve for x
    x = 29,791,979,504,968.56/5,901,486.80
  6. Step 6: Final answer
    x = 5,048,215.90

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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.