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Finding the Fourth Proportional to 6,690,968.03, 9,233,600.93 and 3,790,296.87

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Solution

The fourth proportional to 6,690,968.03, 9,233,600.93 and 3,790,296.87 is: 5,230,646.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690,968.03 : 9,233,600.93 = 3,790,296.87 : x
  2. Step 2: Convert to fraction form
    6,690,968.03/9,233,600.93 = 3,790,296.87/x
  3. Step 3: Cross multiply
    6,690,968.03x = 9,233,600.93 × 3,790,296.87
  4. Step 4: Simplify right side
    6,690,968.03x = 34,998,088,684,856.61
  5. Step 5: Solve for x
    x = 34,998,088,684,856.61/6,690,968.03
  6. Step 6: Final answer
    x = 5,230,646.53

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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.