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Finding the Fourth Proportional to 64,259.76, 88,677.60 and 35,965.44

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Solution

The fourth proportional to 64,259.76, 88,677.60 and 35,965.44 is: 49,631.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,259.76 : 88,677.60 = 35,965.44 : x
  2. Step 2: Convert to fraction form
    64,259.76/88,677.60 = 35,965.44/x
  3. Step 3: Cross multiply
    64,259.76x = 88,677.60 × 35,965.44
  4. Step 4: Simplify right side
    64,259.76x = 3,189,328,902.14
  5. Step 5: Solve for x
    x = 3,189,328,902.14/64,259.76
  6. Step 6: Final answer
    x = 49,631.82

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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.