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Finding the Fourth Proportional to 13,501.52, 18,632.54 and 7,533.44

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Solution

The fourth proportional to 13,501.52, 18,632.54 and 7,533.44 is: 10,396.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.52 : 18,632.54 = 7,533.44 : x
  2. Step 2: Convert to fraction form
    13,501.52/18,632.54 = 7,533.44/x
  3. Step 3: Cross multiply
    13,501.52x = 18,632.54 × 7,533.44
  4. Step 4: Simplify right side
    13,501.52x = 140,367,122.14
  5. Step 5: Solve for x
    x = 140,367,122.14/13,501.52
  6. Step 6: Final answer
    x = 10,396.39

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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.