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Finding the Fourth Proportional to 11,847,470, 17,771,205 and 2,872,022

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Solution

The fourth proportional to 11,847,470, 17,771,205 and 2,872,022 is: 4,308,033

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,847,470 : 17,771,205 = 2,872,022 : x
  2. Step 2: Convert to fraction form
    11,847,470/17,771,205 = 2,872,022/x
  3. Step 3: Cross multiply
    11,847,470x = 17,771,205 × 2,872,022
  4. Step 4: Simplify right side
    11,847,470x = 51,039,291,726,510
  5. Step 5: Solve for x
    x = 51,039,291,726,510/11,847,470
  6. Step 6: Final answer
    x = 4,308,033

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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.