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Finding the Fourth Proportional to 61,307.82, 84,612.35 and 34,449.75

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Solution

The fourth proportional to 61,307.82, 84,612.35 and 34,449.75 is: 47,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,307.82 : 84,612.35 = 34,449.75 : x
  2. Step 2: Convert to fraction form
    61,307.82/84,612.35 = 34,449.75/x
  3. Step 3: Cross multiply
    61,307.82x = 84,612.35 × 34,449.75
  4. Step 4: Simplify right side
    61,307.82x = 2,914,874,390.54
  5. Step 5: Solve for x
    x = 2,914,874,390.54/61,307.82
  6. Step 6: Final answer
    x = 47,544.90

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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.