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Finding the Fourth Proportional to 39,757, 59,635.34 and 30,998.36

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Solution

The fourth proportional to 39,757, 59,635.34 and 30,998.36 is: 46,497.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,757 : 59,635.34 = 30,998.36 : x
  2. Step 2: Convert to fraction form
    39,757/59,635.34 = 30,998.36/x
  3. Step 3: Cross multiply
    39,757x = 59,635.34 × 30,998.36
  4. Step 4: Simplify right side
    39,757x = 1,848,597,738.04
  5. Step 5: Solve for x
    x = 1,848,597,738.04/39,757
  6. Step 6: Final answer
    x = 46,497.42

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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.