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Finding the Fourth Proportional to 1,049.75, 1,572.19 and 832.67

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Solution

The fourth proportional to 1,049.75, 1,572.19 and 832.67 is: 1,247.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.75 : 1,572.19 = 832.67 : x
  2. Step 2: Convert to fraction form
    1,049.75/1,572.19 = 832.67/x
  3. Step 3: Cross multiply
    1,049.75x = 1,572.19 × 832.67
  4. Step 4: Simplify right side
    1,049.75x = 1,309,115.45
  5. Step 5: Solve for x
    x = 1,309,115.45/1,049.75
  6. Step 6: Final answer
    x = 1,247.07

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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.