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Finding the Fourth Proportional to 62,821.54, 86,692.70 and 34,526.62

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Solution

The fourth proportional to 62,821.54, 86,692.70 and 34,526.62 is: 47,646.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,821.54 : 86,692.70 = 34,526.62 : x
  2. Step 2: Convert to fraction form
    62,821.54/86,692.70 = 34,526.62/x
  3. Step 3: Cross multiply
    62,821.54x = 86,692.70 × 34,526.62
  4. Step 4: Simplify right side
    62,821.54x = 2,993,205,909.67
  5. Step 5: Solve for x
    x = 2,993,205,909.67/62,821.54
  6. Step 6: Final answer
    x = 47,646.17

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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.