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Finding the Fourth Proportional to 5,579,952.52, 7,701,174.90 and 3,405,759.11

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Solution

The fourth proportional to 5,579,952.52, 7,701,174.90 and 3,405,759.11 is: 4,700,460.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579,952.52 : 7,701,174.90 = 3,405,759.11 : x
  2. Step 2: Convert to fraction form
    5,579,952.52/7,701,174.90 = 3,405,759.11/x
  3. Step 3: Cross multiply
    5,579,952.52x = 7,701,174.90 × 3,405,759.11
  4. Step 4: Simplify right side
    5,579,952.52x = 26,228,346,575,832.73
  5. Step 5: Solve for x
    x = 26,228,346,575,832.73/5,579,952.52
  6. Step 6: Final answer
    x = 4,700,460.53

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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.