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Finding the Fourth Proportional to 64,254.12, 88,670.87 and 35,959.80

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Solution

The fourth proportional to 64,254.12, 88,670.87 and 35,959.80 is: 49,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,254.12 : 88,670.87 = 35,959.80 : x
  2. Step 2: Convert to fraction form
    64,254.12/88,670.87 = 35,959.80/x
  3. Step 3: Cross multiply
    64,254.12x = 88,670.87 × 35,959.80
  4. Step 4: Simplify right side
    64,254.12x = 3,188,586,751.03
  5. Step 5: Solve for x
    x = 3,188,586,751.03/64,254.12
  6. Step 6: Final answer
    x = 49,624.63

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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.