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Finding the Fourth Proportional to 61,057.62, 84,265.77 and 35,217.18

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Solution

The fourth proportional to 61,057.62, 84,265.77 and 35,217.18 is: 48,603.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,057.62 : 84,265.77 = 35,217.18 : x
  2. Step 2: Convert to fraction form
    61,057.62/84,265.77 = 35,217.18/x
  3. Step 3: Cross multiply
    61,057.62x = 84,265.77 × 35,217.18
  4. Step 4: Simplify right side
    61,057.62x = 2,967,602,723.90
  5. Step 5: Solve for x
    x = 2,967,602,723.90/61,057.62
  6. Step 6: Final answer
    x = 48,603.31

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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.