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Finding the Fourth Proportional to 54,642.56, 75,418.56 and 32,289.92

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Solution

The fourth proportional to 54,642.56, 75,418.56 and 32,289.92 is: 44,567.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,642.56 : 75,418.56 = 32,289.92 : x
  2. Step 2: Convert to fraction form
    54,642.56/75,418.56 = 32,289.92/x
  3. Step 3: Cross multiply
    54,642.56x = 75,418.56 × 32,289.92
  4. Step 4: Simplify right side
    54,642.56x = 2,435,259,268.92
  5. Step 5: Solve for x
    x = 2,435,259,268.92/54,642.56
  6. Step 6: Final answer
    x = 44,567.08

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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.