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Finding the Fourth Proportional to 17,197.78, 23,737.16 and 10,487.11

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Solution

The fourth proportional to 17,197.78, 23,737.16 and 10,487.11 is: 14,474.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,197.78 : 23,737.16 = 10,487.11 : x
  2. Step 2: Convert to fraction form
    17,197.78/23,737.16 = 10,487.11/x
  3. Step 3: Cross multiply
    17,197.78x = 23,737.16 × 10,487.11
  4. Step 4: Simplify right side
    17,197.78x = 248,934,208.01
  5. Step 5: Solve for x
    x = 248,934,208.01/17,197.78
  6. Step 6: Final answer
    x = 14,474.79

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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.