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Finding the Fourth Proportional to 17,683.70, 24,390.94 and 15,012.62

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Solution

The fourth proportional to 17,683.70, 24,390.94 and 15,012.62 is: 20,706.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,683.70 : 24,390.94 = 15,012.62 : x
  2. Step 2: Convert to fraction form
    17,683.70/24,390.94 = 15,012.62/x
  3. Step 3: Cross multiply
    17,683.70x = 24,390.94 × 15,012.62
  4. Step 4: Simplify right side
    17,683.70x = 366,171,913.66
  5. Step 5: Solve for x
    x = 366,171,913.66/17,683.70
  6. Step 6: Final answer
    x = 20,706.75

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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.