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Finding the Fourth Proportional to 8,619,371.68, 11,894,809.92 and 4,752,029.92

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Solution

The fourth proportional to 8,619,371.68, 11,894,809.92 and 4,752,029.92 is: 6,557,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619,371.68 : 11,894,809.92 = 4,752,029.92 : x
  2. Step 2: Convert to fraction form
    8,619,371.68/11,894,809.92 = 4,752,029.92/x
  3. Step 3: Cross multiply
    8,619,371.68x = 11,894,809.92 × 4,752,029.92
  4. Step 4: Simplify right side
    8,619,371.68x = 56,524,492,632,552.80
  5. Step 5: Solve for x
    x = 56,524,492,632,552.80/8,619,371.68
  6. Step 6: Final answer
    x = 6,557,843.74

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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.