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Finding the Fourth Proportional to 6,659.79, 9,190.24 and 3,675.57

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Solution

The fourth proportional to 6,659.79, 9,190.24 and 3,675.57 is: 5,072.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.79 : 9,190.24 = 3,675.57 : x
  2. Step 2: Convert to fraction form
    6,659.79/9,190.24 = 3,675.57/x
  3. Step 3: Cross multiply
    6,659.79x = 9,190.24 × 3,675.57
  4. Step 4: Simplify right side
    6,659.79x = 33,779,370.44
  5. Step 5: Solve for x
    x = 33,779,370.44/6,659.79
  6. Step 6: Final answer
    x = 5,072.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.