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Finding the Fourth Proportional to 6,382,671.16, 8,808,044.40 and 3,629,358.80

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Solution

The fourth proportional to 6,382,671.16, 8,808,044.40 and 3,629,358.80 is: 5,008,491.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382,671.16 : 8,808,044.40 = 3,629,358.80 : x
  2. Step 2: Convert to fraction form
    6,382,671.16/8,808,044.40 = 3,629,358.80/x
  3. Step 3: Cross multiply
    6,382,671.16x = 8,808,044.40 × 3,629,358.80
  4. Step 4: Simplify right side
    6,382,671.16x = 31,967,553,453,930.72
  5. Step 5: Solve for x
    x = 31,967,553,453,930.72/6,382,671.16
  6. Step 6: Final answer
    x = 5,008,491.37

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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.