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Finding the Fourth Proportional to 22,611.49, 31,197.49 and 17,816.57

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Solution

The fourth proportional to 22,611.49, 31,197.49 and 17,816.57 is: 24,581.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,611.49 : 31,197.49 = 17,816.57 : x
  2. Step 2: Convert to fraction form
    22,611.49/31,197.49 = 17,816.57/x
  3. Step 3: Cross multiply
    22,611.49x = 31,197.49 × 17,816.57
  4. Step 4: Simplify right side
    22,611.49x = 555,832,019.34
  5. Step 5: Solve for x
    x = 555,832,019.34/22,611.49
  6. Step 6: Final answer
    x = 24,581.84

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Similar ratio
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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.