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Finding the Fourth Proportional to 38,520.66, 57,736.44 and 16,300.74

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Solution

The fourth proportional to 38,520.66, 57,736.44 and 16,300.74 is: 24,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,520.66 : 57,736.44 = 16,300.74 : x
  2. Step 2: Convert to fraction form
    38,520.66/57,736.44 = 16,300.74/x
  3. Step 3: Cross multiply
    38,520.66x = 57,736.44 × 16,300.74
  4. Step 4: Simplify right side
    38,520.66x = 941,146,696.97
  5. Step 5: Solve for x
    x = 941,146,696.97/38,520.66
  6. Step 6: Final answer
    x = 24,432.26

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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.