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Finding the Fourth Proportional to 61,006.07, 91,375.81 and 25,359.32

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Solution

The fourth proportional to 61,006.07, 91,375.81 and 25,359.32 is: 37,983.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,006.07 : 91,375.81 = 25,359.32 : x
  2. Step 2: Convert to fraction form
    61,006.07/91,375.81 = 25,359.32/x
  3. Step 3: Cross multiply
    61,006.07x = 91,375.81 × 25,359.32
  4. Step 4: Simplify right side
    61,006.07x = 2,317,228,406.05
  5. Step 5: Solve for x
    x = 2,317,228,406.05/61,006.07
  6. Step 6: Final answer
    x = 37,983.57

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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.