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Finding the Fourth Proportional to 61,670.52, 85,105.28 and 34,813.26

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Solution

The fourth proportional to 61,670.52, 85,105.28 and 34,813.26 is: 48,042.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,670.52 : 85,105.28 = 34,813.26 : x
  2. Step 2: Convert to fraction form
    61,670.52/85,105.28 = 34,813.26/x
  3. Step 3: Cross multiply
    61,670.52x = 85,105.28 × 34,813.26
  4. Step 4: Simplify right side
    61,670.52x = 2,962,792,240.01
  5. Step 5: Solve for x
    x = 2,962,792,240.01/61,670.52
  6. Step 6: Final answer
    x = 48,042.28

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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.