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Finding the Fourth Proportional to 6,662.39, 9,194.92 and 4,302.86

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Solution

The fourth proportional to 6,662.39, 9,194.92 and 4,302.86 is: 5,938.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.39 : 9,194.92 = 4,302.86 : x
  2. Step 2: Convert to fraction form
    6,662.39/9,194.92 = 4,302.86/x
  3. Step 3: Cross multiply
    6,662.39x = 9,194.92 × 4,302.86
  4. Step 4: Simplify right side
    6,662.39x = 39,564,396.74
  5. Step 5: Solve for x
    x = 39,564,396.74/6,662.39
  6. Step 6: Final answer
    x = 5,938.47

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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.