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Finding the Fourth Proportional to 17,361.99, 23,959.58 and 9,404.28

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Solution

The fourth proportional to 17,361.99, 23,959.58 and 9,404.28 is: 12,977.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,361.99 : 23,959.58 = 9,404.28 : x
  2. Step 2: Convert to fraction form
    17,361.99/23,959.58 = 9,404.28/x
  3. Step 3: Cross multiply
    17,361.99x = 23,959.58 × 9,404.28
  4. Step 4: Simplify right side
    17,361.99x = 225,322,551.98
  5. Step 5: Solve for x
    x = 225,322,551.98/17,361.99
  6. Step 6: Final answer
    x = 12,977.92

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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.