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Finding the Fourth Proportional to 52,673.73, 72,696.44 and 30,020.87

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Solution

The fourth proportional to 52,673.73, 72,696.44 and 30,020.87 is: 41,432.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,673.73 : 72,696.44 = 30,020.87 : x
  2. Step 2: Convert to fraction form
    52,673.73/72,696.44 = 30,020.87/x
  3. Step 3: Cross multiply
    52,673.73x = 72,696.44 × 30,020.87
  4. Step 4: Simplify right side
    52,673.73x = 2,182,409,861.12
  5. Step 5: Solve for x
    x = 2,182,409,861.12/52,673.73
  6. Step 6: Final answer
    x = 41,432.61

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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.