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Finding the Fourth Proportional to 73,467.68, 101,384.64 and 39,933.44

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Solution

The fourth proportional to 73,467.68, 101,384.64 and 39,933.44 is: 55,107.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,467.68 : 101,384.64 = 39,933.44 : x
  2. Step 2: Convert to fraction form
    73,467.68/101,384.64 = 39,933.44/x
  3. Step 3: Cross multiply
    73,467.68x = 101,384.64 × 39,933.44
  4. Step 4: Simplify right side
    73,467.68x = 4,048,637,438.36
  5. Step 5: Solve for x
    x = 4,048,637,438.36/73,467.68
  6. Step 6: Final answer
    x = 55,107.73

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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.