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Finding the Fourth Proportional to 27,688.83, 41,528.04 and 7,425.87

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Solution

The fourth proportional to 27,688.83, 41,528.04 and 7,425.87 is: 11,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,688.83 : 41,528.04 = 7,425.87 : x
  2. Step 2: Convert to fraction form
    27,688.83/41,528.04 = 7,425.87/x
  3. Step 3: Cross multiply
    27,688.83x = 41,528.04 × 7,425.87
  4. Step 4: Simplify right side
    27,688.83x = 308,381,826.39
  5. Step 5: Solve for x
    x = 308,381,826.39/27,688.83
  6. Step 6: Final answer
    x = 11,137.41

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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.