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Finding the Fourth Proportional to 7,339,991.34, 11,009,987.01 and 2,291,734.38

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Solution

The fourth proportional to 7,339,991.34, 11,009,987.01 and 2,291,734.38 is: 3,437,601.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339,991.34 : 11,009,987.01 = 2,291,734.38 : x
  2. Step 2: Convert to fraction form
    7,339,991.34/11,009,987.01 = 2,291,734.38/x
  3. Step 3: Cross multiply
    7,339,991.34x = 11,009,987.01 × 2,291,734.38
  4. Step 4: Simplify right side
    7,339,991.34x = 25,231,965,754,170.40
  5. Step 5: Solve for x
    x = 25,231,965,754,170.40/7,339,991.34
  6. Step 6: Final answer
    x = 3,437,601.57

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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.