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Finding the Fourth Proportional to 4,622.12, 6,932.64 and 1,659.92

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Solution

The fourth proportional to 4,622.12, 6,932.64 and 1,659.92 is: 2,489.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.12 : 6,932.64 = 1,659.92 : x
  2. Step 2: Convert to fraction form
    4,622.12/6,932.64 = 1,659.92/x
  3. Step 3: Cross multiply
    4,622.12x = 6,932.64 × 1,659.92
  4. Step 4: Simplify right side
    4,622.12x = 11,507,627.79
  5. Step 5: Solve for x
    x = 11,507,627.79/4,622.12
  6. Step 6: Final answer
    x = 2,489.69

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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.