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Finding the Fourth Proportional to 52,480.95, 78,692.54 and 35,859.75

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Solution

The fourth proportional to 52,480.95, 78,692.54 and 35,859.75 is: 53,769.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,480.95 : 78,692.54 = 35,859.75 : x
  2. Step 2: Convert to fraction form
    52,480.95/78,692.54 = 35,859.75/x
  3. Step 3: Cross multiply
    52,480.95x = 78,692.54 × 35,859.75
  4. Step 4: Simplify right side
    52,480.95x = 2,821,894,631.97
  5. Step 5: Solve for x
    x = 2,821,894,631.97/52,480.95
  6. Step 6: Final answer
    x = 53,769.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.