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Finding the Fourth Proportional to 54,832.88, 75,669.60 and 29,682.40

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Solution

The fourth proportional to 54,832.88, 75,669.60 and 29,682.40 is: 40,961.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,832.88 : 75,669.60 = 29,682.40 : x
  2. Step 2: Convert to fraction form
    54,832.88/75,669.60 = 29,682.40/x
  3. Step 3: Cross multiply
    54,832.88x = 75,669.60 × 29,682.40
  4. Step 4: Simplify right side
    54,832.88x = 2,246,055,335.04
  5. Step 5: Solve for x
    x = 2,246,055,335.04/54,832.88
  6. Step 6: Final answer
    x = 40,961.83

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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.