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Finding the Fourth Proportional to 6,667.54, 9,992.28 and 3,698.98

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Solution

The fourth proportional to 6,667.54, 9,992.28 and 3,698.98 is: 5,543.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,667.54 : 9,992.28 = 3,698.98 : x
  2. Step 2: Convert to fraction form
    6,667.54/9,992.28 = 3,698.98/x
  3. Step 3: Cross multiply
    6,667.54x = 9,992.28 × 3,698.98
  4. Step 4: Simplify right side
    6,667.54x = 36,961,243.87
  5. Step 5: Solve for x
    x = 36,961,243.87/6,667.54
  6. Step 6: Final answer
    x = 5,543.46

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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.