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Finding the Fourth Proportional to 7,679,729, 11,521,459.74 and 2,360,945

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Solution

The fourth proportional to 7,679,729, 11,521,459.74 and 2,360,945 is: 3,541,991.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679,729 : 11,521,459.74 = 2,360,945 : x
  2. Step 2: Convert to fraction form
    7,679,729/11,521,459.74 = 2,360,945/x
  3. Step 3: Cross multiply
    7,679,729x = 11,521,459.74 × 2,360,945
  4. Step 4: Simplify right side
    7,679,729x = 27,201,532,765,854.30
  5. Step 5: Solve for x
    x = 27,201,532,765,854.30/7,679,729
  6. Step 6: Final answer
    x = 3,541,991.23

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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.