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Finding the Fourth Proportional to 58,858.75, 81,222.44 and 33,364.74

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Solution

The fourth proportional to 58,858.75, 81,222.44 and 33,364.74 is: 46,041.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,858.75 : 81,222.44 = 33,364.74 : x
  2. Step 2: Convert to fraction form
    58,858.75/81,222.44 = 33,364.74/x
  3. Step 3: Cross multiply
    58,858.75x = 81,222.44 × 33,364.74
  4. Step 4: Simplify right side
    58,858.75x = 2,709,965,592.77
  5. Step 5: Solve for x
    x = 2,709,965,592.77/58,858.75
  6. Step 6: Final answer
    x = 46,041.85

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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.