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Finding the Fourth Proportional to 17,906.40, 26,850.36 and 9,477.45

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Solution

The fourth proportional to 17,906.40, 26,850.36 and 9,477.45 is: 14,211.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,906.40 : 26,850.36 = 9,477.45 : x
  2. Step 2: Convert to fraction form
    17,906.40/26,850.36 = 9,477.45/x
  3. Step 3: Cross multiply
    17,906.40x = 26,850.36 × 9,477.45
  4. Step 4: Simplify right side
    17,906.40x = 254,472,944.38
  5. Step 5: Solve for x
    x = 254,472,944.38/17,906.40
  6. Step 6: Final answer
    x = 14,211.28

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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.