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Finding the Fourth Proportional to 14,762.39, 22,139.64 and 10,081.61

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Solution

The fourth proportional to 14,762.39, 22,139.64 and 10,081.61 is: 15,119.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,762.39 : 22,139.64 = 10,081.61 : x
  2. Step 2: Convert to fraction form
    14,762.39/22,139.64 = 10,081.61/x
  3. Step 3: Cross multiply
    14,762.39x = 22,139.64 × 10,081.61
  4. Step 4: Simplify right side
    14,762.39x = 223,203,105.32
  5. Step 5: Solve for x
    x = 223,203,105.32/14,762.39
  6. Step 6: Final answer
    x = 15,119.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.