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Finding the Fourth Proportional to 54,998.75, 75,917.96 and 32,642.75

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Solution

The fourth proportional to 54,998.75, 75,917.96 and 32,642.75 is: 45,058.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,998.75 : 75,917.96 = 32,642.75 : x
  2. Step 2: Convert to fraction form
    54,998.75/75,917.96 = 32,642.75/x
  3. Step 3: Cross multiply
    54,998.75x = 75,917.96 × 32,642.75
  4. Step 4: Simplify right side
    54,998.75x = 2,478,170,825.58
  5. Step 5: Solve for x
    x = 2,478,170,825.58/54,998.75
  6. Step 6: Final answer
    x = 45,058.68

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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.