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Finding the Fourth Proportional to 1,495.81, 2,243.72 and 1,234.69

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Solution

The fourth proportional to 1,495.81, 2,243.72 and 1,234.69 is: 1,852.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.81 : 2,243.72 = 1,234.69 : x
  2. Step 2: Convert to fraction form
    1,495.81/2,243.72 = 1,234.69/x
  3. Step 3: Cross multiply
    1,495.81x = 2,243.72 × 1,234.69
  4. Step 4: Simplify right side
    1,495.81x = 2,770,298.65
  5. Step 5: Solve for x
    x = 2,770,298.65/1,495.81
  6. Step 6: Final answer
    x = 1,852.04

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Why These Related Problems?

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