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Finding the Fourth Proportional to 18,133.57, 25,026.77 and 10,176.23

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Solution

The fourth proportional to 18,133.57, 25,026.77 and 10,176.23 is: 14,044.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.57 : 25,026.77 = 10,176.23 : x
  2. Step 2: Convert to fraction form
    18,133.57/25,026.77 = 10,176.23/x
  3. Step 3: Cross multiply
    18,133.57x = 25,026.77 × 10,176.23
  4. Step 4: Simplify right side
    18,133.57x = 254,678,255.68
  5. Step 5: Solve for x
    x = 254,678,255.68/18,133.57
  6. Step 6: Final answer
    x = 14,044.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.