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Finding the Fourth Proportional to 64,165.96, 88,546.80 and 35,871.58

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Solution

The fourth proportional to 64,165.96, 88,546.80 and 35,871.58 is: 49,501.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,165.96 : 88,546.80 = 35,871.58 : x
  2. Step 2: Convert to fraction form
    64,165.96/88,546.80 = 35,871.58/x
  3. Step 3: Cross multiply
    64,165.96x = 88,546.80 × 35,871.58
  4. Step 4: Simplify right side
    64,165.96x = 3,176,313,619.94
  5. Step 5: Solve for x
    x = 3,176,313,619.94/64,165.96
  6. Step 6: Final answer
    x = 49,501.54

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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.