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Finding the Fourth Proportional to 1,114.92, 1,672.83 and 567.48

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Solution

The fourth proportional to 1,114.92, 1,672.83 and 567.48 is: 851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114.92 : 1,672.83 = 567.48 : x
  2. Step 2: Convert to fraction form
    1,114.92/1,672.83 = 567.48/x
  3. Step 3: Cross multiply
    1,114.92x = 1,672.83 × 567.48
  4. Step 4: Simplify right side
    1,114.92x = 949,297.57
  5. Step 5: Solve for x
    x = 949,297.57/1,114.92
  6. Step 6: Final answer
    x = 851.45

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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.