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Finding the Fourth Proportional to 1,341.30, 2,010.39 and 793.94

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Solution

The fourth proportional to 1,341.30, 2,010.39 and 793.94 is: 1,189.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.30 : 2,010.39 = 793.94 : x
  2. Step 2: Convert to fraction form
    1,341.30/2,010.39 = 793.94/x
  3. Step 3: Cross multiply
    1,341.30x = 2,010.39 × 793.94
  4. Step 4: Simplify right side
    1,341.30x = 1,596,129.04
  5. Step 5: Solve for x
    x = 1,596,129.04/1,341.30
  6. Step 6: Final answer
    x = 1,189.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.