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Finding the Fourth Proportional to 1,047.56, 1,568.60 and 737.73

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Solution

The fourth proportional to 1,047.56, 1,568.60 and 737.73 is: 1,104.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047.56 : 1,568.60 = 737.73 : x
  2. Step 2: Convert to fraction form
    1,047.56/1,568.60 = 737.73/x
  3. Step 3: Cross multiply
    1,047.56x = 1,568.60 × 737.73
  4. Step 4: Simplify right side
    1,047.56x = 1,157,203.28
  5. Step 5: Solve for x
    x = 1,157,203.28/1,047.56
  6. Step 6: Final answer
    x = 1,104.67

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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.