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Finding the Fourth Proportional to 17,188.45, 23,721.03 and 9,637.22

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Solution

The fourth proportional to 17,188.45, 23,721.03 and 9,637.22 is: 13,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,188.45 : 23,721.03 = 9,637.22 : x
  2. Step 2: Convert to fraction form
    17,188.45/23,721.03 = 9,637.22/x
  3. Step 3: Cross multiply
    17,188.45x = 23,721.03 × 9,637.22
  4. Step 4: Simplify right side
    17,188.45x = 228,604,736.55
  5. Step 5: Solve for x
    x = 228,604,736.55/17,188.45
  6. Step 6: Final answer
    x = 13,299.91

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1.5x scale

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.