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Finding the Fourth Proportional to 63,765.86, 87,996.96 and 35,471.54

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Solution

The fourth proportional to 63,765.86, 87,996.96 and 35,471.54 is: 48,950.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,765.86 : 87,996.96 = 35,471.54 : x
  2. Step 2: Convert to fraction form
    63,765.86/87,996.96 = 35,471.54/x
  3. Step 3: Cross multiply
    63,765.86x = 87,996.96 × 35,471.54
  4. Step 4: Simplify right side
    63,765.86x = 3,121,387,906.51
  5. Step 5: Solve for x
    x = 3,121,387,906.51/63,765.86
  6. Step 6: Final answer
    x = 48,950.77

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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.