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Finding the Fourth Proportional to 52,601.60, 78,902.40 and 32,918.60

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Solution

The fourth proportional to 52,601.60, 78,902.40 and 32,918.60 is: 49,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,601.60 : 78,902.40 = 32,918.60 : x
  2. Step 2: Convert to fraction form
    52,601.60/78,902.40 = 32,918.60/x
  3. Step 3: Cross multiply
    52,601.60x = 78,902.40 × 32,918.60
  4. Step 4: Simplify right side
    52,601.60x = 2,597,356,544.64
  5. Step 5: Solve for x
    x = 2,597,356,544.64/52,601.60
  6. Step 6: Final answer
    x = 49,377.90

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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.