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Finding the Fourth Proportional to 1,048.26, 1,446.18 and 799.32

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Solution

The fourth proportional to 1,048.26, 1,446.18 and 799.32 is: 1,102.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048.26 : 1,446.18 = 799.32 : x
  2. Step 2: Convert to fraction form
    1,048.26/1,446.18 = 799.32/x
  3. Step 3: Cross multiply
    1,048.26x = 1,446.18 × 799.32
  4. Step 4: Simplify right side
    1,048.26x = 1,155,960.60
  5. Step 5: Solve for x
    x = 1,155,960.60/1,048.26
  6. Step 6: Final answer
    x = 1,102.74

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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.