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Finding the Fourth Proportional to 17,509.74, 26,248.23 and 7,640.94

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Solution

The fourth proportional to 17,509.74, 26,248.23 and 7,640.94 is: 11,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,509.74 : 26,248.23 = 7,640.94 : x
  2. Step 2: Convert to fraction form
    17,509.74/26,248.23 = 7,640.94/x
  3. Step 3: Cross multiply
    17,509.74x = 26,248.23 × 7,640.94
  4. Step 4: Simplify right side
    17,509.74x = 200,561,150.54
  5. Step 5: Solve for x
    x = 200,561,150.54/17,509.74
  6. Step 6: Final answer
    x = 11,454.26

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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.