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Finding the Fourth Proportional to 1,182.69, 1,630.67 and 832.77

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Solution

The fourth proportional to 1,182.69, 1,630.67 and 832.77 is: 1,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.69 : 1,630.67 = 832.77 : x
  2. Step 2: Convert to fraction form
    1,182.69/1,630.67 = 832.77/x
  3. Step 3: Cross multiply
    1,182.69x = 1,630.67 × 832.77
  4. Step 4: Simplify right side
    1,182.69x = 1,357,968.89
  5. Step 5: Solve for x
    x = 1,357,968.89/1,182.69
  6. Step 6: Final answer
    x = 1,148.20

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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.