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Finding the Fourth Proportional to 17,297.64, 23,913.16 and 17,139.68

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Solution

The fourth proportional to 17,297.64, 23,913.16 and 17,139.68 is: 23,694.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,297.64 : 23,913.16 = 17,139.68 : x
  2. Step 2: Convert to fraction form
    17,297.64/23,913.16 = 17,139.68/x
  3. Step 3: Cross multiply
    17,297.64x = 23,913.16 × 17,139.68
  4. Step 4: Simplify right side
    17,297.64x = 409,863,910.19
  5. Step 5: Solve for x
    x = 409,863,910.19/17,297.64
  6. Step 6: Final answer
    x = 23,694.79

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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.