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Finding the Fourth Proportional to 54,230.52, 74,799.54 and 49,768.68

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Solution

The fourth proportional to 54,230.52, 74,799.54 and 49,768.68 is: 68,645.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,230.52 : 74,799.54 = 49,768.68 : x
  2. Step 2: Convert to fraction form
    54,230.52/74,799.54 = 49,768.68/x
  3. Step 3: Cross multiply
    54,230.52x = 74,799.54 × 49,768.68
  4. Step 4: Simplify right side
    54,230.52x = 3,722,674,370.41
  5. Step 5: Solve for x
    x = 3,722,674,370.41/54,230.52
  6. Step 6: Final answer
    x = 68,645.37

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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.