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Finding the Fourth Proportional to 17,289.66, 23,859.49 and 9,736.08

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Solution

The fourth proportional to 17,289.66, 23,859.49 and 9,736.08 is: 13,435.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,289.66 : 23,859.49 = 9,736.08 : x
  2. Step 2: Convert to fraction form
    17,289.66/23,859.49 = 9,736.08/x
  3. Step 3: Cross multiply
    17,289.66x = 23,859.49 × 9,736.08
  4. Step 4: Simplify right side
    17,289.66x = 232,297,834.92
  5. Step 5: Solve for x
    x = 232,297,834.92/17,289.66
  6. Step 6: Final answer
    x = 13,435.65

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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.