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Finding the Fourth Proportional to 52,883.57, 79,332.78 and 15,446.39

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Solution

The fourth proportional to 52,883.57, 79,332.78 and 15,446.39 is: 23,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,883.57 : 79,332.78 = 15,446.39 : x
  2. Step 2: Convert to fraction form
    52,883.57/79,332.78 = 15,446.39/x
  3. Step 3: Cross multiply
    52,883.57x = 79,332.78 × 15,446.39
  4. Step 4: Simplify right side
    52,883.57x = 1,225,405,059.66
  5. Step 5: Solve for x
    x = 1,225,405,059.66/52,883.57
  6. Step 6: Final answer
    x = 23,171.75

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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.