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Finding the Fourth Proportional to 17,228.57, 25,842.97 and 4,749.27

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Solution

The fourth proportional to 17,228.57, 25,842.97 and 4,749.27 is: 7,123.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,228.57 : 25,842.97 = 4,749.27 : x
  2. Step 2: Convert to fraction form
    17,228.57/25,842.97 = 4,749.27/x
  3. Step 3: Cross multiply
    17,228.57x = 25,842.97 × 4,749.27
  4. Step 4: Simplify right side
    17,228.57x = 122,735,248.07
  5. Step 5: Solve for x
    x = 122,735,248.07/17,228.57
  6. Step 6: Final answer
    x = 7,123.94

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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.