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Finding the Fourth Proportional to 61,549.62, 84,936.02 and 34,697.70

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Solution

The fourth proportional to 61,549.62, 84,936.02 and 34,697.70 is: 47,881.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,549.62 : 84,936.02 = 34,697.70 : x
  2. Step 2: Convert to fraction form
    61,549.62/84,936.02 = 34,697.70/x
  3. Step 3: Cross multiply
    61,549.62x = 84,936.02 × 34,697.70
  4. Step 4: Simplify right side
    61,549.62x = 2,947,084,823.58
  5. Step 5: Solve for x
    x = 2,947,084,823.58/61,549.62
  6. Step 6: Final answer
    x = 47,881.44

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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.