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Finding the Fourth Proportional to 26,807.98, 40,206.67 and 9,036.88

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Solution

The fourth proportional to 26,807.98, 40,206.67 and 9,036.88 is: 13,553.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,807.98 : 40,206.67 = 9,036.88 : x
  2. Step 2: Convert to fraction form
    26,807.98/40,206.67 = 9,036.88/x
  3. Step 3: Cross multiply
    26,807.98x = 40,206.67 × 9,036.88
  4. Step 4: Simplify right side
    26,807.98x = 363,342,650.96
  5. Step 5: Solve for x
    x = 363,342,650.96/26,807.98
  6. Step 6: Final answer
    x = 13,553.53

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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.