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Finding the Fourth Proportional to 5,395,807.22, 7,449,685.17 and 3,462,900.98

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Solution

The fourth proportional to 5,395,807.22, 7,449,685.17 and 3,462,900.98 is: 4,781,031.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395,807.22 : 7,449,685.17 = 3,462,900.98 : x
  2. Step 2: Convert to fraction form
    5,395,807.22/7,449,685.17 = 3,462,900.98/x
  3. Step 3: Cross multiply
    5,395,807.22x = 7,449,685.17 × 3,462,900.98
  4. Step 4: Simplify right side
    5,395,807.22x = 25,797,522,075,884.46
  5. Step 5: Solve for x
    x = 25,797,522,075,884.46/5,395,807.22
  6. Step 6: Final answer
    x = 4,781,031.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.