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Finding the Fourth Proportional to 29,342.70, 43,915.23 and 26,914.86

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Solution

The fourth proportional to 29,342.70, 43,915.23 and 26,914.86 is: 40,281.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,342.70 : 43,915.23 = 26,914.86 : x
  2. Step 2: Convert to fraction form
    29,342.70/43,915.23 = 26,914.86/x
  3. Step 3: Cross multiply
    29,342.70x = 43,915.23 × 26,914.86
  4. Step 4: Simplify right side
    29,342.70x = 1,181,972,267.32
  5. Step 5: Solve for x
    x = 1,181,972,267.32/29,342.70
  6. Step 6: Final answer
    x = 40,281.65

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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.