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Finding the Fourth Proportional to 61,896.96, 92,884.32 and 30,326.40

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Solution

The fourth proportional to 61,896.96, 92,884.32 and 30,326.40 is: 45,508.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,896.96 : 92,884.32 = 30,326.40 : x
  2. Step 2: Convert to fraction form
    61,896.96/92,884.32 = 30,326.40/x
  3. Step 3: Cross multiply
    61,896.96x = 92,884.32 × 30,326.40
  4. Step 4: Simplify right side
    61,896.96x = 2,816,847,042.05
  5. Step 5: Solve for x
    x = 2,816,847,042.05/61,896.96
  6. Step 6: Final answer
    x = 45,508.65

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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.