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Finding the Fourth Proportional to 21,681.99, 32,522.99 and 6,099.62

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Solution

The fourth proportional to 21,681.99, 32,522.99 and 6,099.62 is: 9,149.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,681.99 : 32,522.99 = 6,099.62 : x
  2. Step 2: Convert to fraction form
    21,681.99/32,522.99 = 6,099.62/x
  3. Step 3: Cross multiply
    21,681.99x = 32,522.99 × 6,099.62
  4. Step 4: Simplify right side
    21,681.99x = 198,377,880.26
  5. Step 5: Solve for x
    x = 198,377,880.26/21,681.99
  6. Step 6: Final answer
    x = 9,149.43

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Similar ratio
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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.