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Finding the Fourth Proportional to 71,622.84, 107,452.53 and 33,664.77

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Solution

The fourth proportional to 71,622.84, 107,452.53 and 33,664.77 is: 50,505.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,622.84 : 107,452.53 = 33,664.77 : x
  2. Step 2: Convert to fraction form
    71,622.84/107,452.53 = 33,664.77/x
  3. Step 3: Cross multiply
    71,622.84x = 107,452.53 × 33,664.77
  4. Step 4: Simplify right side
    71,622.84x = 3,617,364,708.37
  5. Step 5: Solve for x
    x = 3,617,364,708.37/71,622.84
  6. Step 6: Final answer
    x = 50,505.74

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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.