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Finding the Fourth Proportional to 29,915.64, 44,863.74 and 14,118.48

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Solution

The fourth proportional to 29,915.64, 44,863.74 and 14,118.48 is: 21,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,915.64 : 44,863.74 = 14,118.48 : x
  2. Step 2: Convert to fraction form
    29,915.64/44,863.74 = 14,118.48/x
  3. Step 3: Cross multiply
    29,915.64x = 44,863.74 × 14,118.48
  4. Step 4: Simplify right side
    29,915.64x = 633,407,815.92
  5. Step 5: Solve for x
    x = 633,407,815.92/29,915.64
  6. Step 6: Final answer
    x = 21,173.13

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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.