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Finding the Fourth Proportional to 3,393.39, 4,682.63 and 2,066.88

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Solution

The fourth proportional to 3,393.39, 4,682.63 and 2,066.88 is: 2,852.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.39 : 4,682.63 = 2,066.88 : x
  2. Step 2: Convert to fraction form
    3,393.39/4,682.63 = 2,066.88/x
  3. Step 3: Cross multiply
    3,393.39x = 4,682.63 × 2,066.88
  4. Step 4: Simplify right side
    3,393.39x = 9,678,423.96
  5. Step 5: Solve for x
    x = 9,678,423.96/3,393.39
  6. Step 6: Final answer
    x = 2,852.14

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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.