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Finding the Fourth Proportional to 1,492.62, 2,059.82 and 829.46

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Solution

The fourth proportional to 1,492.62, 2,059.82 and 829.46 is: 1,144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.62 : 2,059.82 = 829.46 : x
  2. Step 2: Convert to fraction form
    1,492.62/2,059.82 = 829.46/x
  3. Step 3: Cross multiply
    1,492.62x = 2,059.82 × 829.46
  4. Step 4: Simplify right side
    1,492.62x = 1,708,538.30
  5. Step 5: Solve for x
    x = 1,708,538.30/1,492.62
  6. Step 6: Final answer
    x = 1,144.66

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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.