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Finding the Fourth Proportional to 64,228.77, 88,635.78 and 35,934.48

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Solution

The fourth proportional to 64,228.77, 88,635.78 and 35,934.48 is: 49,589.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,228.77 : 88,635.78 = 35,934.48 : x
  2. Step 2: Convert to fraction form
    64,228.77/88,635.78 = 35,934.48/x
  3. Step 3: Cross multiply
    64,228.77x = 88,635.78 × 35,934.48
  4. Step 4: Simplify right side
    64,228.77x = 3,185,080,663.69
  5. Step 5: Solve for x
    x = 3,185,080,663.69/64,228.77
  6. Step 6: Final answer
    x = 49,589.63

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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.