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Finding the Fourth Proportional to 71,621.34, 107,450.28 and 33,663.27

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Solution

The fourth proportional to 71,621.34, 107,450.28 and 33,663.27 is: 50,503.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,621.34 : 107,450.28 = 33,663.27 : x
  2. Step 2: Convert to fraction form
    71,621.34/107,450.28 = 33,663.27/x
  3. Step 3: Cross multiply
    71,621.34x = 107,450.28 × 33,663.27
  4. Step 4: Simplify right side
    71,621.34x = 3,617,127,787.22
  5. Step 5: Solve for x
    x = 3,617,127,787.22/71,621.34
  6. Step 6: Final answer
    x = 50,503.49

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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.