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Finding the Fourth Proportional to 18,173,800.80, 27,275,572.80 and 18,032,083.20

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Solution

The fourth proportional to 18,173,800.80, 27,275,572.80 and 18,032,083.20 is: 27,062,880.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173,800.80 : 27,275,572.80 = 18,032,083.20 : x
  2. Step 2: Convert to fraction form
    18,173,800.80/27,275,572.80 = 18,032,083.20/x
  3. Step 3: Cross multiply
    18,173,800.80x = 27,275,572.80 × 18,032,083.20
  4. Step 4: Simplify right side
    18,173,800.80x = 491,835,398,057,256.94
  5. Step 5: Solve for x
    x = 491,835,398,057,256.94/18,173,800.80
  6. Step 6: Final answer
    x = 27,062,880.43

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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.