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Finding the Fourth Proportional to 59,249.94, 81,764.84 and 35,390.58

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Solution

The fourth proportional to 59,249.94, 81,764.84 and 35,390.58 is: 48,838.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,249.94 : 81,764.84 = 35,390.58 : x
  2. Step 2: Convert to fraction form
    59,249.94/81,764.84 = 35,390.58/x
  3. Step 3: Cross multiply
    59,249.94x = 81,764.84 × 35,390.58
  4. Step 4: Simplify right side
    59,249.94x = 2,893,705,111.21
  5. Step 5: Solve for x
    x = 2,893,705,111.21/59,249.94
  6. Step 6: Final answer
    x = 48,838.95

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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.