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Finding the Fourth Proportional to 29,787.40, 44,608.20 and 14,186.80

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Solution

The fourth proportional to 29,787.40, 44,608.20 and 14,186.80 is: 21,245.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,787.40 : 44,608.20 = 14,186.80 : x
  2. Step 2: Convert to fraction form
    29,787.40/44,608.20 = 14,186.80/x
  3. Step 3: Cross multiply
    29,787.40x = 44,608.20 × 14,186.80
  4. Step 4: Simplify right side
    29,787.40x = 632,847,611.76
  5. Step 5: Solve for x
    x = 632,847,611.76/29,787.40
  6. Step 6: Final answer
    x = 21,245.48

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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.