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Finding the Fourth Proportional to 43,366.43, 65,018.03 and 29,291.54

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Solution

The fourth proportional to 43,366.43, 65,018.03 and 29,291.54 is: 43,915.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,366.43 : 65,018.03 = 29,291.54 : x
  2. Step 2: Convert to fraction form
    43,366.43/65,018.03 = 29,291.54/x
  3. Step 3: Cross multiply
    43,366.43x = 65,018.03 × 29,291.54
  4. Step 4: Simplify right side
    43,366.43x = 1,904,477,754.92
  5. Step 5: Solve for x
    x = 1,904,477,754.92/43,366.43
  6. Step 6: Final answer
    x = 43,915.94

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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.