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Finding the Fourth Proportional to 18,967.52, 28,513.60 and 17,597.41

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Solution

The fourth proportional to 18,967.52, 28,513.60 and 17,597.41 is: 26,453.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,967.52 : 28,513.60 = 17,597.41 : x
  2. Step 2: Convert to fraction form
    18,967.52/28,513.60 = 17,597.41/x
  3. Step 3: Cross multiply
    18,967.52x = 28,513.60 × 17,597.41
  4. Step 4: Simplify right side
    18,967.52x = 501,765,509.78
  5. Step 5: Solve for x
    x = 501,765,509.78/18,967.52
  6. Step 6: Final answer
    x = 26,453.93

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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.