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Finding the Fourth Proportional to 1,100,872.15, 1,648,683.83 and 1,100,872.15

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Solution

The fourth proportional to 1,100,872.15, 1,648,683.83 and 1,100,872.15 is: 1,648,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,872.15 : 1,648,683.83 = 1,100,872.15 : x
  2. Step 2: Convert to fraction form
    1,100,872.15/1,648,683.83 = 1,100,872.15/x
  3. Step 3: Cross multiply
    1,100,872.15x = 1,648,683.83 × 1,100,872.15
  4. Step 4: Simplify right side
    1,100,872.15x = 1,814,990,107,097.97
  5. Step 5: Solve for x
    x = 1,814,990,107,097.97/1,100,872.15
  6. Step 6: Final answer
    x = 1,648,683.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.