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Finding the Fourth Proportional to 26,971.02, 40,455.99 and 8,503.02

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Solution

The fourth proportional to 26,971.02, 40,455.99 and 8,503.02 is: 12,754.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,971.02 : 40,455.99 = 8,503.02 : x
  2. Step 2: Convert to fraction form
    26,971.02/40,455.99 = 8,503.02/x
  3. Step 3: Cross multiply
    26,971.02x = 40,455.99 × 8,503.02
  4. Step 4: Simplify right side
    26,971.02x = 343,998,092.09
  5. Step 5: Solve for x
    x = 343,998,092.09/26,971.02
  6. Step 6: Final answer
    x = 12,754.36

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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.