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Finding the Fourth Proportional to 38,550.31, 53,215.79 and 23,447.79

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Solution

The fourth proportional to 38,550.31, 53,215.79 and 23,447.79 is: 32,367.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,550.31 : 53,215.79 = 23,447.79 : x
  2. Step 2: Convert to fraction form
    38,550.31/53,215.79 = 23,447.79/x
  3. Step 3: Cross multiply
    38,550.31x = 53,215.79 × 23,447.79
  4. Step 4: Simplify right side
    38,550.31x = 1,247,792,551.37
  5. Step 5: Solve for x
    x = 1,247,792,551.37/38,550.31
  6. Step 6: Final answer
    x = 32,367.90

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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.