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Finding the Fourth Proportional to 29,863.80, 44,795.70 and 7,677.90

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Solution

The fourth proportional to 29,863.80, 44,795.70 and 7,677.90 is: 11,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,863.80 : 44,795.70 = 7,677.90 : x
  2. Step 2: Convert to fraction form
    29,863.80/44,795.70 = 7,677.90/x
  3. Step 3: Cross multiply
    29,863.80x = 44,795.70 × 7,677.90
  4. Step 4: Simplify right side
    29,863.80x = 343,936,905.03
  5. Step 5: Solve for x
    x = 343,936,905.03/29,863.80
  6. Step 6: Final answer
    x = 11,516.85

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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.