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Finding the Fourth Proportional to 52,692.57, 72,722.39 and 34,558.54

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Solution

The fourth proportional to 52,692.57, 72,722.39 and 34,558.54 is: 47,695.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,692.57 : 72,722.39 = 34,558.54 : x
  2. Step 2: Convert to fraction form
    52,692.57/72,722.39 = 34,558.54/x
  3. Step 3: Cross multiply
    52,692.57x = 72,722.39 × 34,558.54
  4. Step 4: Simplify right side
    52,692.57x = 2,513,179,623.71
  5. Step 5: Solve for x
    x = 2,513,179,623.71/52,692.57
  6. Step 6: Final answer
    x = 47,695.14

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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.