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Finding the Fourth Proportional to 6,659.52, 9,190.08 and 3,675.38

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Solution

The fourth proportional to 6,659.52, 9,190.08 and 3,675.38 is: 5,071.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.52 : 9,190.08 = 3,675.38 : x
  2. Step 2: Convert to fraction form
    6,659.52/9,190.08 = 3,675.38/x
  3. Step 3: Cross multiply
    6,659.52x = 9,190.08 × 3,675.38
  4. Step 4: Simplify right side
    6,659.52x = 33,776,990.28
  5. Step 5: Solve for x
    x = 33,776,990.28/6,659.52
  6. Step 6: Final answer
    x = 5,071.99

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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.