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Finding the Fourth Proportional to 9,614,978.13, 13,268,165.85 and 5,263,230.86

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Solution

The fourth proportional to 9,614,978.13, 13,268,165.85 and 5,263,230.86 is: 7,262,982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,614,978.13 : 13,268,165.85 = 5,263,230.86 : x
  2. Step 2: Convert to fraction form
    9,614,978.13/13,268,165.85 = 5,263,230.86/x
  3. Step 3: Cross multiply
    9,614,978.13x = 13,268,165.85 × 5,263,230.86
  4. Step 4: Simplify right side
    9,614,978.13x = 69,833,419,940,732.91
  5. Step 5: Solve for x
    x = 69,833,419,940,732.91/9,614,978.13
  6. Step 6: Final answer
    x = 7,262,982.71

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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.