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Finding the Fourth Proportional to 64,212.12, 88,610.76 and 35,917.92

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Solution

The fourth proportional to 64,212.12, 88,610.76 and 35,917.92 is: 49,565.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,212.12 : 88,610.76 = 35,917.92 : x
  2. Step 2: Convert to fraction form
    64,212.12/88,610.76 = 35,917.92/x
  3. Step 3: Cross multiply
    64,212.12x = 88,610.76 × 35,917.92
  4. Step 4: Simplify right side
    64,212.12x = 3,182,714,188.82
  5. Step 5: Solve for x
    x = 3,182,714,188.82/64,212.12
  6. Step 6: Final answer
    x = 49,565.63

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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.