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Finding the Fourth Proportional to 61,298.60, 84,591.94 and 34,441.80

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Solution

The fourth proportional to 61,298.60, 84,591.94 and 34,441.80 is: 47,529.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,298.60 : 84,591.94 = 34,441.80 : x
  2. Step 2: Convert to fraction form
    61,298.60/84,591.94 = 34,441.80/x
  3. Step 3: Cross multiply
    61,298.60x = 84,591.94 × 34,441.80
  4. Step 4: Simplify right side
    61,298.60x = 2,913,498,679.09
  5. Step 5: Solve for x
    x = 2,913,498,679.09/61,298.60
  6. Step 6: Final answer
    x = 47,529.61

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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.