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Finding the Fourth Proportional to 6,896,662.10, 9,517,019.49 and 3,798,582.50

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Solution

The fourth proportional to 6,896,662.10, 9,517,019.49 and 3,798,582.50 is: 5,241,837.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,896,662.10 : 9,517,019.49 = 3,798,582.50 : x
  2. Step 2: Convert to fraction form
    6,896,662.10/9,517,019.49 = 3,798,582.50/x
  3. Step 3: Cross multiply
    6,896,662.10x = 9,517,019.49 × 3,798,582.50
  4. Step 4: Simplify right side
    6,896,662.10x = 36,151,183,686,872.93
  5. Step 5: Solve for x
    x = 36,151,183,686,872.93/6,896,662.10
  6. Step 6: Final answer
    x = 5,241,837.74

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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.