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Finding the Fourth Proportional to 2,066.86, 2,851.56 and 1,182.34

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Solution

The fourth proportional to 2,066.86, 2,851.56 and 1,182.34 is: 1,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.86 : 2,851.56 = 1,182.34 : x
  2. Step 2: Convert to fraction form
    2,066.86/2,851.56 = 1,182.34/x
  3. Step 3: Cross multiply
    2,066.86x = 2,851.56 × 1,182.34
  4. Step 4: Simplify right side
    2,066.86x = 3,371,513.45
  5. Step 5: Solve for x
    x = 3,371,513.45/2,066.86
  6. Step 6: Final answer
    x = 1,631.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.