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Finding the Fourth Proportional to 61,236.54, 91,854.81 and 16,863.73

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Solution

The fourth proportional to 61,236.54, 91,854.81 and 16,863.73 is: 25,295.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,236.54 : 91,854.81 = 16,863.73 : x
  2. Step 2: Convert to fraction form
    61,236.54/91,854.81 = 16,863.73/x
  3. Step 3: Cross multiply
    61,236.54x = 91,854.81 × 16,863.73
  4. Step 4: Simplify right side
    61,236.54x = 1,549,014,485.40
  5. Step 5: Solve for x
    x = 1,549,014,485.40/61,236.54
  6. Step 6: Final answer
    x = 25,295.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.