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Finding the Fourth Proportional to 57,382.29, 79,186.95 and 33,512.67

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Solution

The fourth proportional to 57,382.29, 79,186.95 and 33,512.67 is: 46,247.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,382.29 : 79,186.95 = 33,512.67 : x
  2. Step 2: Convert to fraction form
    57,382.29/79,186.95 = 33,512.67/x
  3. Step 3: Cross multiply
    57,382.29x = 79,186.95 × 33,512.67
  4. Step 4: Simplify right side
    57,382.29x = 2,653,766,123.66
  5. Step 5: Solve for x
    x = 2,653,766,123.66/57,382.29
  6. Step 6: Final answer
    x = 46,247.13

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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.