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Finding the Fourth Proportional to 6,800,607.48, 9,384,837.42 and 3,744,814.20

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Solution

The fourth proportional to 6,800,607.48, 9,384,837.42 and 3,744,814.20 is: 5,167,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800,607.48 : 9,384,837.42 = 3,744,814.20 : x
  2. Step 2: Convert to fraction form
    6,800,607.48/9,384,837.42 = 3,744,814.20/x
  3. Step 3: Cross multiply
    6,800,607.48x = 9,384,837.42 × 3,744,814.20
  4. Step 4: Simplify right side
    6,800,607.48x = 35,144,472,435,107.37
  5. Step 5: Solve for x
    x = 35,144,472,435,107.37/6,800,607.48
  6. Step 6: Final answer
    x = 5,167,843.10

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1.5x scale

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.