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Finding the Fourth Proportional to 26,937.94, 40,406.91 and 8,469.94

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Solution

The fourth proportional to 26,937.94, 40,406.91 and 8,469.94 is: 12,704.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,937.94 : 40,406.91 = 8,469.94 : x
  2. Step 2: Convert to fraction form
    26,937.94/40,406.91 = 8,469.94/x
  3. Step 3: Cross multiply
    26,937.94x = 40,406.91 × 8,469.94
  4. Step 4: Simplify right side
    26,937.94x = 342,243,970.51
  5. Step 5: Solve for x
    x = 342,243,970.51/26,937.94
  6. Step 6: Final answer
    x = 12,704.91

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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.