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Finding the Fourth Proportional to 8,180,053.52, 11,288,978.91 and 4,508,961.81

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Solution

The fourth proportional to 8,180,053.52, 11,288,978.91 and 4,508,961.81 is: 6,222,645.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180,053.52 : 11,288,978.91 = 4,508,961.81 : x
  2. Step 2: Convert to fraction form
    8,180,053.52/11,288,978.91 = 4,508,961.81/x
  3. Step 3: Cross multiply
    8,180,053.52x = 11,288,978.91 × 4,508,961.81
  4. Step 4: Simplify right side
    8,180,053.52x = 50,901,574,800,252.26
  5. Step 5: Solve for x
    x = 50,901,574,800,252.26/8,180,053.52
  6. Step 6: Final answer
    x = 6,222,645.69

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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.