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Finding the Fourth Proportional to 64,257.59, 88,670.54 and 35,959.43

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Solution

The fourth proportional to 64,257.59, 88,670.54 and 35,959.43 is: 49,621.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,257.59 : 88,670.54 = 35,959.43 : x
  2. Step 2: Convert to fraction form
    64,257.59/88,670.54 = 35,959.43/x
  3. Step 3: Cross multiply
    64,257.59x = 88,670.54 × 35,959.43
  4. Step 4: Simplify right side
    64,257.59x = 3,188,541,453.04
  5. Step 5: Solve for x
    x = 3,188,541,453.04/64,257.59
  6. Step 6: Final answer
    x = 49,621.25

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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.