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Finding the Fourth Proportional to 5,399,686.76, 7,451,581.08 and 2,952,455.90

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Solution

The fourth proportional to 5,399,686.76, 7,451,581.08 and 2,952,455.90 is: 4,074,396.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399,686.76 : 7,451,581.08 = 2,952,455.90 : x
  2. Step 2: Convert to fraction form
    5,399,686.76/7,451,581.08 = 2,952,455.90/x
  3. Step 3: Cross multiply
    5,399,686.76x = 7,451,581.08 × 2,952,455.90
  4. Step 4: Simplify right side
    5,399,686.76x = 22,000,464,523,974.37
  5. Step 5: Solve for x
    x = 22,000,464,523,974.37/5,399,686.76
  6. Step 6: Final answer
    x = 4,074,396.44

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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.