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Finding the Fourth Proportional to 26,669.76, 40,004.62 and 8,201.76

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Solution

The fourth proportional to 26,669.76, 40,004.62 and 8,201.76 is: 12,302.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,669.76 : 40,004.62 = 8,201.76 : x
  2. Step 2: Convert to fraction form
    26,669.76/40,004.62 = 8,201.76/x
  3. Step 3: Cross multiply
    26,669.76x = 40,004.62 × 8,201.76
  4. Step 4: Simplify right side
    26,669.76x = 328,108,292.13
  5. Step 5: Solve for x
    x = 328,108,292.13/26,669.76
  6. Step 6: Final answer
    x = 12,302.63

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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.