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Finding the Fourth Proportional to 1,060.47, 1,592.24 and 879.03

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Solution

The fourth proportional to 1,060.47, 1,592.24 and 879.03 is: 1,319.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.47 : 1,592.24 = 879.03 : x
  2. Step 2: Convert to fraction form
    1,060.47/1,592.24 = 879.03/x
  3. Step 3: Cross multiply
    1,060.47x = 1,592.24 × 879.03
  4. Step 4: Simplify right side
    1,060.47x = 1,399,622.33
  5. Step 5: Solve for x
    x = 1,399,622.33/1,060.47
  6. Step 6: Final answer
    x = 1,319.81

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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.