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Finding the Fourth Proportional to 64,202.85, 88,606.56 and 36,979.84

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Solution

The fourth proportional to 64,202.85, 88,606.56 and 36,979.84 is: 51,035.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,202.85 : 88,606.56 = 36,979.84 : x
  2. Step 2: Convert to fraction form
    64,202.85/88,606.56 = 36,979.84/x
  3. Step 3: Cross multiply
    64,202.85x = 88,606.56 × 36,979.84
  4. Step 4: Simplify right side
    64,202.85x = 3,276,655,783.82
  5. Step 5: Solve for x
    x = 3,276,655,783.82/64,202.85
  6. Step 6: Final answer
    x = 51,035.99

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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.