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Finding the Fourth Proportional to 18,133.69, 25,023.90 and 10,176.05

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Solution

The fourth proportional to 18,133.69, 25,023.90 and 10,176.05 is: 14,042.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.69 : 25,023.90 = 10,176.05 : x
  2. Step 2: Convert to fraction form
    18,133.69/25,023.90 = 10,176.05/x
  3. Step 3: Cross multiply
    18,133.69x = 25,023.90 × 10,176.05
  4. Step 4: Simplify right side
    18,133.69x = 254,644,281.60
  5. Step 5: Solve for x
    x = 254,644,281.60/18,133.69
  6. Step 6: Final answer
    x = 14,042.61

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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.