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Finding the Fourth Proportional to 17,018.59, 23,485.66 and 9,949.12

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Solution

The fourth proportional to 17,018.59, 23,485.66 and 9,949.12 is: 13,729.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,018.59 : 23,485.66 = 9,949.12 : x
  2. Step 2: Convert to fraction form
    17,018.59/23,485.66 = 9,949.12/x
  3. Step 3: Cross multiply
    17,018.59x = 23,485.66 × 9,949.12
  4. Step 4: Simplify right side
    17,018.59x = 233,661,649.62
  5. Step 5: Solve for x
    x = 233,661,649.62/17,018.59
  6. Step 6: Final answer
    x = 13,729.79

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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.