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Finding the Fourth Proportional to 64,259.74, 88,679.64 and 35,965.36

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Solution

The fourth proportional to 64,259.74, 88,679.64 and 35,965.36 is: 49,632.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,259.74 : 88,679.64 = 35,965.36 : x
  2. Step 2: Convert to fraction form
    64,259.74/88,679.64 = 35,965.36/x
  3. Step 3: Cross multiply
    64,259.74x = 88,679.64 × 35,965.36
  4. Step 4: Simplify right side
    64,259.74x = 3,189,395,177.27
  5. Step 5: Solve for x
    x = 3,189,395,177.27/64,259.74
  6. Step 6: Final answer
    x = 49,632.87

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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.