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Finding the Fourth Proportional to 66,896.61, 100,344.46 and 16,295.04

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Solution

The fourth proportional to 66,896.61, 100,344.46 and 16,295.04 is: 24,442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,896.61 : 100,344.46 = 16,295.04 : x
  2. Step 2: Convert to fraction form
    66,896.61/100,344.46 = 16,295.04/x
  3. Step 3: Cross multiply
    66,896.61x = 100,344.46 × 16,295.04
  4. Step 4: Simplify right side
    66,896.61x = 1,635,116,528.49
  5. Step 5: Solve for x
    x = 1,635,116,528.49/66,896.61
  6. Step 6: Final answer
    x = 24,442.44

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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.