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Finding the Fourth Proportional to 17,235.78, 25,853.76 and 6,847.56

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Solution

The fourth proportional to 17,235.78, 25,853.76 and 6,847.56 is: 10,271.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,235.78 : 25,853.76 = 6,847.56 : x
  2. Step 2: Convert to fraction form
    17,235.78/25,853.76 = 6,847.56/x
  3. Step 3: Cross multiply
    17,235.78x = 25,853.76 × 6,847.56
  4. Step 4: Simplify right side
    17,235.78x = 177,035,172.83
  5. Step 5: Solve for x
    x = 177,035,172.83/17,235.78
  6. Step 6: Final answer
    x = 10,271.38

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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.