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Finding the Fourth Proportional to 26,918.50, 37,149.94 and 14,984.50

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Solution

The fourth proportional to 26,918.50, 37,149.94 and 14,984.50 is: 20,679.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,918.50 : 37,149.94 = 14,984.50 : x
  2. Step 2: Convert to fraction form
    26,918.50/37,149.94 = 14,984.50/x
  3. Step 3: Cross multiply
    26,918.50x = 37,149.94 × 14,984.50
  4. Step 4: Simplify right side
    26,918.50x = 556,673,275.93
  5. Step 5: Solve for x
    x = 556,673,275.93/26,918.50
  6. Step 6: Final answer
    x = 20,679.95

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Why These Related Problems?

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