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Finding the Fourth Proportional to 26,955, 40,387.79 and 16,393.07

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Solution

The fourth proportional to 26,955, 40,387.79 and 16,393.07 is: 24,562.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,955 : 40,387.79 = 16,393.07 : x
  2. Step 2: Convert to fraction form
    26,955/40,387.79 = 16,393.07/x
  3. Step 3: Cross multiply
    26,955x = 40,387.79 × 16,393.07
  4. Step 4: Simplify right side
    26,955x = 662,079,868.62
  5. Step 5: Solve for x
    x = 662,079,868.62/26,955
  6. Step 6: Final answer
    x = 24,562.41

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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.