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Finding the Fourth Proportional to 63,650.73, 87,840.80 and 35,356.43

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Solution

The fourth proportional to 63,650.73, 87,840.80 and 35,356.43 is: 48,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,650.73 : 87,840.80 = 35,356.43 : x
  2. Step 2: Convert to fraction form
    63,650.73/87,840.80 = 35,356.43/x
  3. Step 3: Cross multiply
    63,650.73x = 87,840.80 × 35,356.43
  4. Step 4: Simplify right side
    63,650.73x = 3,105,736,480.36
  5. Step 5: Solve for x
    x = 3,105,736,480.36/63,650.73
  6. Step 6: Final answer
    x = 48,793.41

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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.