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Finding the Fourth Proportional to 6,686.60, 10,027.90 and 3,522.34

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Solution

The fourth proportional to 6,686.60, 10,027.90 and 3,522.34 is: 5,282.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.60 : 10,027.90 = 3,522.34 : x
  2. Step 2: Convert to fraction form
    6,686.60/10,027.90 = 3,522.34/x
  3. Step 3: Cross multiply
    6,686.60x = 10,027.90 × 3,522.34
  4. Step 4: Simplify right side
    6,686.60x = 35,321,633.82
  5. Step 5: Solve for x
    x = 35,321,633.82/6,686.60
  6. Step 6: Final answer
    x = 5,282.45

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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.