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Finding the Fourth Proportional to 14,202.08, 19,608 and 9,168.56

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Solution

The fourth proportional to 14,202.08, 19,608 and 9,168.56 is: 12,658.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,202.08 : 19,608 = 9,168.56 : x
  2. Step 2: Convert to fraction form
    14,202.08/19,608 = 9,168.56/x
  3. Step 3: Cross multiply
    14,202.08x = 19,608 × 9,168.56
  4. Step 4: Simplify right side
    14,202.08x = 179,777,124.48
  5. Step 5: Solve for x
    x = 179,777,124.48/14,202.08
  6. Step 6: Final answer
    x = 12,658.51

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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.