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Finding the Fourth Proportional to 29,912.02, 44,856.45 and 9,915.41

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Solution

The fourth proportional to 29,912.02, 44,856.45 and 9,915.41 is: 14,869.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,912.02 : 44,856.45 = 9,915.41 : x
  2. Step 2: Convert to fraction form
    29,912.02/44,856.45 = 9,915.41/x
  3. Step 3: Cross multiply
    29,912.02x = 44,856.45 × 9,915.41
  4. Step 4: Simplify right side
    29,912.02x = 444,770,205.04
  5. Step 5: Solve for x
    x = 444,770,205.04/29,912.02
  6. Step 6: Final answer
    x = 14,869.28

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1.5x scale

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.