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Finding the Fourth Proportional to 61,319.43, 84,621.15 and 35,827.29

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Solution

The fourth proportional to 61,319.43, 84,621.15 and 35,827.29 is: 49,441.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,319.43 : 84,621.15 = 35,827.29 : x
  2. Step 2: Convert to fraction form
    61,319.43/84,621.15 = 35,827.29/x
  3. Step 3: Cross multiply
    61,319.43x = 84,621.15 × 35,827.29
  4. Step 4: Simplify right side
    61,319.43x = 3,031,746,481.18
  5. Step 5: Solve for x
    x = 3,031,746,481.18/61,319.43
  6. Step 6: Final answer
    x = 49,441.86

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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.