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Finding the Fourth Proportional to 64,398.48, 88,871.76 and 36,104.64

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Solution

The fourth proportional to 64,398.48, 88,871.76 and 36,104.64 is: 49,825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,398.48 : 88,871.76 = 36,104.64 : x
  2. Step 2: Convert to fraction form
    64,398.48/88,871.76 = 36,104.64/x
  3. Step 3: Cross multiply
    64,398.48x = 88,871.76 × 36,104.64
  4. Step 4: Simplify right side
    64,398.48x = 3,208,682,900.97
  5. Step 5: Solve for x
    x = 3,208,682,900.97/64,398.48
  6. Step 6: Final answer
    x = 49,825.44

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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.