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Finding the Fourth Proportional to 61,511.26, 84,891.81 and 37,653.70

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Solution

The fourth proportional to 61,511.26, 84,891.81 and 37,653.70 is: 51,965.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,511.26 : 84,891.81 = 37,653.70 : x
  2. Step 2: Convert to fraction form
    61,511.26/84,891.81 = 37,653.70/x
  3. Step 3: Cross multiply
    61,511.26x = 84,891.81 × 37,653.70
  4. Step 4: Simplify right side
    61,511.26x = 3,196,490,746.20
  5. Step 5: Solve for x
    x = 3,196,490,746.20/61,511.26
  6. Step 6: Final answer
    x = 51,965.94

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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.