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Finding the Fourth Proportional to 64,067.56, 88,412.64 and 35,388.94

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Solution

The fourth proportional to 64,067.56, 88,412.64 and 35,388.94 is: 48,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,067.56 : 88,412.64 = 35,388.94 : x
  2. Step 2: Convert to fraction form
    64,067.56/88,412.64 = 35,388.94/x
  3. Step 3: Cross multiply
    64,067.56x = 88,412.64 × 35,388.94
  4. Step 4: Simplify right side
    64,067.56x = 3,128,829,612.20
  5. Step 5: Solve for x
    x = 3,128,829,612.20/64,067.56
  6. Step 6: Final answer
    x = 48,836.41

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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.