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Finding the Fourth Proportional to 26,392.29, 39,591.02 and 7,672.47

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Solution

The fourth proportional to 26,392.29, 39,591.02 and 7,672.47 is: 11,509.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,392.29 : 39,591.02 = 7,672.47 : x
  2. Step 2: Convert to fraction form
    26,392.29/39,591.02 = 7,672.47/x
  3. Step 3: Cross multiply
    26,392.29x = 39,591.02 × 7,672.47
  4. Step 4: Simplify right side
    26,392.29x = 303,760,913.22
  5. Step 5: Solve for x
    x = 303,760,913.22/26,392.29
  6. Step 6: Final answer
    x = 11,509.46

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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.