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Finding the Fourth Proportional to 32,486.82, 44,839.22 and 21,136.29

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Solution

The fourth proportional to 32,486.82, 44,839.22 and 21,136.29 is: 29,172.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,486.82 : 44,839.22 = 21,136.29 : x
  2. Step 2: Convert to fraction form
    32,486.82/44,839.22 = 21,136.29/x
  3. Step 3: Cross multiply
    32,486.82x = 44,839.22 × 21,136.29
  4. Step 4: Simplify right side
    32,486.82x = 947,734,651.61
  5. Step 5: Solve for x
    x = 947,734,651.61/32,486.82
  6. Step 6: Final answer
    x = 29,172.90

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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.