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Finding the Fourth Proportional to 26,668.73, 39,989.66 and 8,893.08

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Solution

The fourth proportional to 26,668.73, 39,989.66 and 8,893.08 is: 13,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,668.73 : 39,989.66 = 8,893.08 : x
  2. Step 2: Convert to fraction form
    26,668.73/39,989.66 = 8,893.08/x
  3. Step 3: Cross multiply
    26,668.73x = 39,989.66 × 8,893.08
  4. Step 4: Simplify right side
    26,668.73x = 355,631,201.09
  5. Step 5: Solve for x
    x = 355,631,201.09/26,668.73
  6. Step 6: Final answer
    x = 13,335.14

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1.5x scale

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.