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Finding the Fourth Proportional to 52,602.26, 78,921.81 and 32,857.70

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Solution

The fourth proportional to 52,602.26, 78,921.81 and 32,857.70 is: 49,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,602.26 : 78,921.81 = 32,857.70 : x
  2. Step 2: Convert to fraction form
    52,602.26/78,921.81 = 32,857.70/x
  3. Step 3: Cross multiply
    52,602.26x = 78,921.81 × 32,857.70
  4. Step 4: Simplify right side
    52,602.26x = 2,593,188,761.83
  5. Step 5: Solve for x
    x = 2,593,188,761.83/52,602.26
  6. Step 6: Final answer
    x = 49,298.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.