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Finding the Fourth Proportional to 17,683.59, 26,525.39 and 8,317.79

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Solution

The fourth proportional to 17,683.59, 26,525.39 and 8,317.79 is: 12,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,683.59 : 26,525.39 = 8,317.79 : x
  2. Step 2: Convert to fraction form
    17,683.59/26,525.39 = 8,317.79/x
  3. Step 3: Cross multiply
    17,683.59x = 26,525.39 × 8,317.79
  4. Step 4: Simplify right side
    17,683.59x = 220,632,449.47
  5. Step 5: Solve for x
    x = 220,632,449.47/17,683.59
  6. Step 6: Final answer
    x = 12,476.68

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Double scale
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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.