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Finding the Fourth Proportional to 54,081.54, 74,655.54 and 32,867.64

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Solution

The fourth proportional to 54,081.54, 74,655.54 and 32,867.64 is: 45,371.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,081.54 : 74,655.54 = 32,867.64 : x
  2. Step 2: Convert to fraction form
    54,081.54/74,655.54 = 32,867.64/x
  3. Step 3: Cross multiply
    54,081.54x = 74,655.54 × 32,867.64
  4. Step 4: Simplify right side
    54,081.54x = 2,453,751,412.73
  5. Step 5: Solve for x
    x = 2,453,751,412.73/54,081.54
  6. Step 6: Final answer
    x = 45,371.33

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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.