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Finding the Fourth Proportional to 17,065.36, 25,550.24 and 12,892.24

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Solution

The fourth proportional to 17,065.36, 25,550.24 and 12,892.24 is: 19,302.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,065.36 : 25,550.24 = 12,892.24 : x
  2. Step 2: Convert to fraction form
    17,065.36/25,550.24 = 12,892.24/x
  3. Step 3: Cross multiply
    17,065.36x = 25,550.24 × 12,892.24
  4. Step 4: Simplify right side
    17,065.36x = 329,399,826.14
  5. Step 5: Solve for x
    x = 329,399,826.14/17,065.36
  6. Step 6: Final answer
    x = 19,302.25

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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.