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Finding the Fourth Proportional to 26,394.29, 39,594.02 and 7,674.47

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Solution

The fourth proportional to 26,394.29, 39,594.02 and 7,674.47 is: 11,512.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,394.29 : 39,594.02 = 7,674.47 : x
  2. Step 2: Convert to fraction form
    26,394.29/39,594.02 = 7,674.47/x
  3. Step 3: Cross multiply
    26,394.29x = 39,594.02 × 7,674.47
  4. Step 4: Simplify right side
    26,394.29x = 303,862,882.33
  5. Step 5: Solve for x
    x = 303,862,882.33/26,394.29
  6. Step 6: Final answer
    x = 11,512.45

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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.