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Finding the Fourth Proportional to 57,992.70, 86,859.45 and 44,802.30

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Solution

The fourth proportional to 57,992.70, 86,859.45 and 44,802.30 is: 67,103.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,992.70 : 86,859.45 = 44,802.30 : x
  2. Step 2: Convert to fraction form
    57,992.70/86,859.45 = 44,802.30/x
  3. Step 3: Cross multiply
    57,992.70x = 86,859.45 × 44,802.30
  4. Step 4: Simplify right side
    57,992.70x = 3,891,503,136.74
  5. Step 5: Solve for x
    x = 3,891,503,136.74/57,992.70
  6. Step 6: Final answer
    x = 67,103.33

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1.5x scale

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.