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Finding the Fourth Proportional to 12,193.96, 18,297.96 and 5,173.42

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Solution

The fourth proportional to 12,193.96, 18,297.96 and 5,173.42 is: 7,763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193.96 : 18,297.96 = 5,173.42 : x
  2. Step 2: Convert to fraction form
    12,193.96/18,297.96 = 5,173.42/x
  3. Step 3: Cross multiply
    12,193.96x = 18,297.96 × 5,173.42
  4. Step 4: Simplify right side
    12,193.96x = 94,663,032.22
  5. Step 5: Solve for x
    x = 94,663,032.22/12,193.96
  6. Step 6: Final answer
    x = 7,763.11

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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.