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Finding the Fourth Proportional to 52,921.98, 79,341.54 and 36,231.54

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Solution

The fourth proportional to 52,921.98, 79,341.54 and 36,231.54 is: 54,318.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,921.98 : 79,341.54 = 36,231.54 : x
  2. Step 2: Convert to fraction form
    52,921.98/79,341.54 = 36,231.54/x
  3. Step 3: Cross multiply
    52,921.98x = 79,341.54 × 36,231.54
  4. Step 4: Simplify right side
    52,921.98x = 2,874,666,180.17
  5. Step 5: Solve for x
    x = 2,874,666,180.17/52,921.98
  6. Step 6: Final answer
    x = 54,318.95

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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.