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Finding the Fourth Proportional to 1,182.01, 1,630.82 and 762.60

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Solution

The fourth proportional to 1,182.01, 1,630.82 and 762.60 is: 1,052.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.01 : 1,630.82 = 762.60 : x
  2. Step 2: Convert to fraction form
    1,182.01/1,630.82 = 762.60/x
  3. Step 3: Cross multiply
    1,182.01x = 1,630.82 × 762.60
  4. Step 4: Simplify right side
    1,182.01x = 1,243,670.40
  5. Step 5: Solve for x
    x = 1,243,670.40/1,182.01
  6. Step 6: Final answer
    x = 1,052.17

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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.