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Finding the Fourth Proportional to 61,363.64, 84,682.32 and 34,505.91

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Solution

The fourth proportional to 61,363.64, 84,682.32 and 34,505.91 is: 47,618.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,363.64 : 84,682.32 = 34,505.91 : x
  2. Step 2: Convert to fraction form
    61,363.64/84,682.32 = 34,505.91/x
  3. Step 3: Cross multiply
    61,363.64x = 84,682.32 × 34,505.91
  4. Step 4: Simplify right side
    61,363.64x = 2,922,040,512.51
  5. Step 5: Solve for x
    x = 2,922,040,512.51/61,363.64
  6. Step 6: Final answer
    x = 47,618.44

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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.