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Finding the Fourth Proportional to 71,096.49, 106,706.14 and 28,999.78

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Solution

The fourth proportional to 71,096.49, 106,706.14 and 28,999.78 is: 43,524.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,096.49 : 106,706.14 = 28,999.78 : x
  2. Step 2: Convert to fraction form
    71,096.49/106,706.14 = 28,999.78/x
  3. Step 3: Cross multiply
    71,096.49x = 106,706.14 × 28,999.78
  4. Step 4: Simplify right side
    71,096.49x = 3,094,454,245.38
  5. Step 5: Solve for x
    x = 3,094,454,245.38/71,096.49
  6. Step 6: Final answer
    x = 43,524.71

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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.