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Finding the Fourth Proportional to 62,692.94, 86,521.68 and 34,404.09

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Solution

The fourth proportional to 62,692.94, 86,521.68 and 34,404.09 is: 47,480.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,692.94 : 86,521.68 = 34,404.09 : x
  2. Step 2: Convert to fraction form
    62,692.94/86,521.68 = 34,404.09/x
  3. Step 3: Cross multiply
    62,692.94x = 86,521.68 × 34,404.09
  4. Step 4: Simplify right side
    62,692.94x = 2,976,699,665.67
  5. Step 5: Solve for x
    x = 2,976,699,665.67/62,692.94
  6. Step 6: Final answer
    x = 47,480.62

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1.5x scale

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.