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Finding the Fourth Proportional to 26,761.00, 40,203.03 and 18,881.67

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Solution

The fourth proportional to 26,761.00, 40,203.03 and 18,881.67 is: 28,365.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,761.00 : 40,203.03 = 18,881.67 : x
  2. Step 2: Convert to fraction form
    26,761.00/40,203.03 = 18,881.67/x
  3. Step 3: Cross multiply
    26,761.00x = 40,203.03 × 18,881.67
  4. Step 4: Simplify right side
    26,761.00x = 759,100,395.71
  5. Step 5: Solve for x
    x = 759,100,395.71/26,761.00
  6. Step 6: Final answer
    x = 28,365.92

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Why These Related Problems?

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