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Finding the Fourth Proportional to 1,163.52, 1,604.34 and 848.23

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Solution

The fourth proportional to 1,163.52, 1,604.34 and 848.23 is: 1,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163.52 : 1,604.34 = 848.23 : x
  2. Step 2: Convert to fraction form
    1,163.52/1,604.34 = 848.23/x
  3. Step 3: Cross multiply
    1,163.52x = 1,604.34 × 848.23
  4. Step 4: Simplify right side
    1,163.52x = 1,360,848.49
  5. Step 5: Solve for x
    x = 1,360,848.49/1,163.52
  6. Step 6: Final answer
    x = 1,169.60

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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.