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Finding the Fourth Proportional to 17,228.73, 25,847.55 and 7,228.11

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Solution

The fourth proportional to 17,228.73, 25,847.55 and 7,228.11 is: 10,844.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,228.73 : 25,847.55 = 7,228.11 : x
  2. Step 2: Convert to fraction form
    17,228.73/25,847.55 = 7,228.11/x
  3. Step 3: Cross multiply
    17,228.73x = 25,847.55 × 7,228.11
  4. Step 4: Simplify right side
    17,228.73x = 186,828,934.63
  5. Step 5: Solve for x
    x = 186,828,934.63/17,228.73
  6. Step 6: Final answer
    x = 10,844.03

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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.