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Finding the Fourth Proportional to 1,049.73, 1,446.53 and 750.13

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Solution

The fourth proportional to 1,049.73, 1,446.53 and 750.13 is: 1,033.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.73 : 1,446.53 = 750.13 : x
  2. Step 2: Convert to fraction form
    1,049.73/1,446.53 = 750.13/x
  3. Step 3: Cross multiply
    1,049.73x = 1,446.53 × 750.13
  4. Step 4: Simplify right side
    1,049.73x = 1,085,078.18
  5. Step 5: Solve for x
    x = 1,085,078.18/1,049.73
  6. Step 6: Final answer
    x = 1,033.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.