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Finding the Fourth Proportional to 26,693.34, 40,026.39 and 8,917.59

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Solution

The fourth proportional to 26,693.34, 40,026.39 and 8,917.59 is: 13,371.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,693.34 : 40,026.39 = 8,917.59 : x
  2. Step 2: Convert to fraction form
    26,693.34/40,026.39 = 8,917.59/x
  3. Step 3: Cross multiply
    26,693.34x = 40,026.39 × 8,917.59
  4. Step 4: Simplify right side
    26,693.34x = 356,938,935.20
  5. Step 5: Solve for x
    x = 356,938,935.20/26,693.34
  6. Step 6: Final answer
    x = 13,371.83

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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.