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Finding the Fourth Proportional to 34,558.65, 47,692.50 and 19,456.50

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Solution

The fourth proportional to 34,558.65, 47,692.50 and 19,456.50 is: 26,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,558.65 : 47,692.50 = 19,456.50 : x
  2. Step 2: Convert to fraction form
    34,558.65/47,692.50 = 19,456.50/x
  3. Step 3: Cross multiply
    34,558.65x = 47,692.50 × 19,456.50
  4. Step 4: Simplify right side
    34,558.65x = 927,929,232.13
  5. Step 5: Solve for x
    x = 927,929,232.13/34,558.65
  6. Step 6: Final answer
    x = 26,850.85

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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.