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Finding the Fourth Proportional to 17,041.36, 25,568.38 and 7,678.56

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Solution

The fourth proportional to 17,041.36, 25,568.38 and 7,678.56 is: 11,520.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,041.36 : 25,568.38 = 7,678.56 : x
  2. Step 2: Convert to fraction form
    17,041.36/25,568.38 = 7,678.56/x
  3. Step 3: Cross multiply
    17,041.36x = 25,568.38 × 7,678.56
  4. Step 4: Simplify right side
    17,041.36x = 196,328,339.93
  5. Step 5: Solve for x
    x = 196,328,339.93/17,041.36
  6. Step 6: Final answer
    x = 11,520.70

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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.