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Finding the Fourth Proportional to 26,330.52, 39,489.95 and 7,606.49

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Solution

The fourth proportional to 26,330.52, 39,489.95 and 7,606.49 is: 11,408.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,330.52 : 39,489.95 = 7,606.49 : x
  2. Step 2: Convert to fraction form
    26,330.52/39,489.95 = 7,606.49/x
  3. Step 3: Cross multiply
    26,330.52x = 39,489.95 × 7,606.49
  4. Step 4: Simplify right side
    26,330.52x = 300,379,909.78
  5. Step 5: Solve for x
    x = 300,379,909.78/26,330.52
  6. Step 6: Final answer
    x = 11,408.05

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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.