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Finding the Fourth Proportional to 17,074.32, 25,611 and 7,210.92

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Solution

The fourth proportional to 17,074.32, 25,611 and 7,210.92 is: 10,816.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,074.32 : 25,611 = 7,210.92 : x
  2. Step 2: Convert to fraction form
    17,074.32/25,611 = 7,210.92/x
  3. Step 3: Cross multiply
    17,074.32x = 25,611 × 7,210.92
  4. Step 4: Simplify right side
    17,074.32x = 184,678,872.12
  5. Step 5: Solve for x
    x = 184,678,872.12/17,074.32
  6. Step 6: Final answer
    x = 10,816.18

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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.