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Finding the Fourth Proportional to 1,767.23, 2,652.03 and 793.40

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Solution

The fourth proportional to 1,767.23, 2,652.03 and 793.40 is: 1,190.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.23 : 2,652.03 = 793.40 : x
  2. Step 2: Convert to fraction form
    1,767.23/2,652.03 = 793.40/x
  3. Step 3: Cross multiply
    1,767.23x = 2,652.03 × 793.40
  4. Step 4: Simplify right side
    1,767.23x = 2,104,120.60
  5. Step 5: Solve for x
    x = 2,104,120.60/1,767.23
  6. Step 6: Final answer
    x = 1,190.63

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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.