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Finding the Fourth Proportional to 50,861.51, 70,193.83 and 29,639.41

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Solution

The fourth proportional to 50,861.51, 70,193.83 and 29,639.41 is: 40,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,861.51 : 70,193.83 = 29,639.41 : x
  2. Step 2: Convert to fraction form
    50,861.51/70,193.83 = 29,639.41/x
  3. Step 3: Cross multiply
    50,861.51x = 70,193.83 × 29,639.41
  4. Step 4: Simplify right side
    50,861.51x = 2,080,503,706.84
  5. Step 5: Solve for x
    x = 2,080,503,706.84/50,861.51
  6. Step 6: Final answer
    x = 40,905.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.