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Finding the Fourth Proportional to 61,410.69, 84,740.70 and 34,552.62

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Solution

The fourth proportional to 61,410.69, 84,740.70 and 34,552.62 is: 47,679.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,410.69 : 84,740.70 = 34,552.62 : x
  2. Step 2: Convert to fraction form
    61,410.69/84,740.70 = 34,552.62/x
  3. Step 3: Cross multiply
    61,410.69x = 84,740.70 × 34,552.62
  4. Step 4: Simplify right side
    61,410.69x = 2,928,013,205.63
  5. Step 5: Solve for x
    x = 2,928,013,205.63/61,410.69
  6. Step 6: Final answer
    x = 47,679.21

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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.