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Finding the Fourth Proportional to 26,523.63, 39,776.94 and 8,750.31

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Solution

The fourth proportional to 26,523.63, 39,776.94 and 8,750.31 is: 13,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,523.63 : 39,776.94 = 8,750.31 : x
  2. Step 2: Convert to fraction form
    26,523.63/39,776.94 = 8,750.31/x
  3. Step 3: Cross multiply
    26,523.63x = 39,776.94 × 8,750.31
  4. Step 4: Simplify right side
    26,523.63x = 348,060,406.69
  5. Step 5: Solve for x
    x = 348,060,406.69/26,523.63
  6. Step 6: Final answer
    x = 13,122.65

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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.