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Finding the Fourth Proportional to 2,066.69, 2,851.22 and 1,182.02

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Solution

The fourth proportional to 2,066.69, 2,851.22 and 1,182.02 is: 1,630.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.69 : 2,851.22 = 1,182.02 : x
  2. Step 2: Convert to fraction form
    2,066.69/2,851.22 = 1,182.02/x
  3. Step 3: Cross multiply
    2,066.69x = 2,851.22 × 1,182.02
  4. Step 4: Simplify right side
    2,066.69x = 3,370,187.76
  5. Step 5: Solve for x
    x = 3,370,187.76/2,066.69
  6. Step 6: Final answer
    x = 1,630.72

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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.