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Finding the Fourth Proportional to 11,679.01, 17,512.33 and 5,097.51

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Solution

The fourth proportional to 11,679.01, 17,512.33 and 5,097.51 is: 7,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.01 : 17,512.33 = 5,097.51 : x
  2. Step 2: Convert to fraction form
    11,679.01/17,512.33 = 5,097.51/x
  3. Step 3: Cross multiply
    11,679.01x = 17,512.33 × 5,097.51
  4. Step 4: Simplify right side
    11,679.01x = 89,269,277.30
  5. Step 5: Solve for x
    x = 89,269,277.30/11,679.01
  6. Step 6: Final answer
    x = 7,643.57

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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.