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Finding the Fourth Proportional to 7,990,616.03, 11,986,034.68 and 2,599,294.64

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Solution

The fourth proportional to 7,990,616.03, 11,986,034.68 and 2,599,294.64 is: 3,898,977.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,616.03 : 11,986,034.68 = 2,599,294.64 : x
  2. Step 2: Convert to fraction form
    7,990,616.03/11,986,034.68 = 2,599,294.64/x
  3. Step 3: Cross multiply
    7,990,616.03x = 11,986,034.68 × 2,599,294.64
  4. Step 4: Simplify right side
    7,990,616.03x = 31,155,235,685,581.64
  5. Step 5: Solve for x
    x = 31,155,235,685,581.64/7,990,616.03
  6. Step 6: Final answer
    x = 3,898,977.95

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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.