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Finding the Fourth Proportional to 17,751.77, 26,582.10 and 17,226.20

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Solution

The fourth proportional to 17,751.77, 26,582.10 and 17,226.20 is: 25,795.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,751.77 : 26,582.10 = 17,226.20 : x
  2. Step 2: Convert to fraction form
    17,751.77/26,582.10 = 17,226.20/x
  3. Step 3: Cross multiply
    17,751.77x = 26,582.10 × 17,226.20
  4. Step 4: Simplify right side
    17,751.77x = 457,908,571.02
  5. Step 5: Solve for x
    x = 457,908,571.02/17,751.77
  6. Step 6: Final answer
    x = 25,795.09

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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.