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Finding the Fourth Proportional to 1,059.69, 1,462.79 and 948.96

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Solution

The fourth proportional to 1,059.69, 1,462.79 and 948.96 is: 1,309.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.69 : 1,462.79 = 948.96 : x
  2. Step 2: Convert to fraction form
    1,059.69/1,462.79 = 948.96/x
  3. Step 3: Cross multiply
    1,059.69x = 1,462.79 × 948.96
  4. Step 4: Simplify right side
    1,059.69x = 1,388,129.20
  5. Step 5: Solve for x
    x = 1,388,129.20/1,059.69
  6. Step 6: Final answer
    x = 1,309.94

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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.