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Finding the Fourth Proportional to 60,295.86, 90,452.43 and 20,843.73

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Solution

The fourth proportional to 60,295.86, 90,452.43 and 20,843.73 is: 31,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,295.86 : 90,452.43 = 20,843.73 : x
  2. Step 2: Convert to fraction form
    60,295.86/90,452.43 = 20,843.73/x
  3. Step 3: Cross multiply
    60,295.86x = 90,452.43 × 20,843.73
  4. Step 4: Simplify right side
    60,295.86x = 1,885,366,028.76
  5. Step 5: Solve for x
    x = 1,885,366,028.76/60,295.86
  6. Step 6: Final answer
    x = 31,268.58

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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.