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Finding the Fourth Proportional to 4,967.93, 7,451.90 and 2,659.43

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Solution

The fourth proportional to 4,967.93, 7,451.90 and 2,659.43 is: 3,989.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,967.93 : 7,451.90 = 2,659.43 : x
  2. Step 2: Convert to fraction form
    4,967.93/7,451.90 = 2,659.43/x
  3. Step 3: Cross multiply
    4,967.93x = 7,451.90 × 2,659.43
  4. Step 4: Simplify right side
    4,967.93x = 19,817,806.42
  5. Step 5: Solve for x
    x = 19,817,806.42/4,967.93
  6. Step 6: Final answer
    x = 3,989.15

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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.