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Finding the Fourth Proportional to 1,492.67, 2,059.96 and 829.52

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Solution

The fourth proportional to 1,492.67, 2,059.96 and 829.52 is: 1,144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.67 : 2,059.96 = 829.52 : x
  2. Step 2: Convert to fraction form
    1,492.67/2,059.96 = 829.52/x
  3. Step 3: Cross multiply
    1,492.67x = 2,059.96 × 829.52
  4. Step 4: Simplify right side
    1,492.67x = 1,708,765.65
  5. Step 5: Solve for x
    x = 1,708,765.65/1,492.67
  6. Step 6: Final answer
    x = 1,144.77

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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.