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Finding the Fourth Proportional to 17,683.98, 26,525.97 and 7,158.66

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Solution

The fourth proportional to 17,683.98, 26,525.97 and 7,158.66 is: 10,737.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,683.98 : 26,525.97 = 7,158.66 : x
  2. Step 2: Convert to fraction form
    17,683.98/26,525.97 = 7,158.66/x
  3. Step 3: Cross multiply
    17,683.98x = 26,525.97 × 7,158.66
  4. Step 4: Simplify right side
    17,683.98x = 189,890,400.40
  5. Step 5: Solve for x
    x = 189,890,400.40/17,683.98
  6. Step 6: Final answer
    x = 10,737.99

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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.