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Finding the Fourth Proportional to 17,009.30, 25,477.02 and 8,225.78

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Solution

The fourth proportional to 17,009.30, 25,477.02 and 8,225.78 is: 12,320.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,009.30 : 25,477.02 = 8,225.78 : x
  2. Step 2: Convert to fraction form
    17,009.30/25,477.02 = 8,225.78/x
  3. Step 3: Cross multiply
    17,009.30x = 25,477.02 × 8,225.78
  4. Step 4: Simplify right side
    17,009.30x = 209,568,361.58
  5. Step 5: Solve for x
    x = 209,568,361.58/17,009.30
  6. Step 6: Final answer
    x = 12,320.81

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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.