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Finding the Fourth Proportional to 9,395.52, 12,965.28 and 5,203.52

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Solution

The fourth proportional to 9,395.52, 12,965.28 and 5,203.52 is: 7,180.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,395.52 : 12,965.28 = 5,203.52 : x
  2. Step 2: Convert to fraction form
    9,395.52/12,965.28 = 5,203.52/x
  3. Step 3: Cross multiply
    9,395.52x = 12,965.28 × 5,203.52
  4. Step 4: Simplify right side
    9,395.52x = 67,465,093.79
  5. Step 5: Solve for x
    x = 67,465,093.79/9,395.52
  6. Step 6: Final answer
    x = 7,180.56

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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.