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Finding the Fourth Proportional to 26,644.66, 39,974.94 and 7,925.32

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Solution

The fourth proportional to 26,644.66, 39,974.94 and 7,925.32 is: 11,890.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,644.66 : 39,974.94 = 7,925.32 : x
  2. Step 2: Convert to fraction form
    26,644.66/39,974.94 = 7,925.32/x
  3. Step 3: Cross multiply
    26,644.66x = 39,974.94 × 7,925.32
  4. Step 4: Simplify right side
    26,644.66x = 316,814,191.48
  5. Step 5: Solve for x
    x = 316,814,191.48/26,644.66
  6. Step 6: Final answer
    x = 11,890.34

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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.