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Finding the Fourth Proportional to 64,299.70, 88,732.62 and 35,619.27

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Solution

The fourth proportional to 64,299.70, 88,732.62 and 35,619.27 is: 49,154.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,299.70 : 88,732.62 = 35,619.27 : x
  2. Step 2: Convert to fraction form
    64,299.70/88,732.62 = 35,619.27/x
  3. Step 3: Cross multiply
    64,299.70x = 88,732.62 × 35,619.27
  4. Step 4: Simplify right side
    64,299.70x = 3,160,591,166.58
  5. Step 5: Solve for x
    x = 3,160,591,166.58/64,299.70
  6. Step 6: Final answer
    x = 49,154.06

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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.