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Finding the Fourth Proportional to 1,068.04, 1,600.44 and 793.72

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Solution

The fourth proportional to 1,068.04, 1,600.44 and 793.72 is: 1,189.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068.04 : 1,600.44 = 793.72 : x
  2. Step 2: Convert to fraction form
    1,068.04/1,600.44 = 793.72/x
  3. Step 3: Cross multiply
    1,068.04x = 1,600.44 × 793.72
  4. Step 4: Simplify right side
    1,068.04x = 1,270,301.24
  5. Step 5: Solve for x
    x = 1,270,301.24/1,068.04
  6. Step 6: Final answer
    x = 1,189.38

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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.