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Finding the Fourth Proportional to 6,659.92, 9,194 and 4,142.84

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Solution

The fourth proportional to 6,659.92, 9,194 and 4,142.84 is: 5,719.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.92 : 9,194 = 4,142.84 : x
  2. Step 2: Convert to fraction form
    6,659.92/9,194 = 4,142.84/x
  3. Step 3: Cross multiply
    6,659.92x = 9,194 × 4,142.84
  4. Step 4: Simplify right side
    6,659.92x = 38,089,270.96
  5. Step 5: Solve for x
    x = 38,089,270.96/6,659.92
  6. Step 6: Final answer
    x = 5,719.18

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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.