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Finding the Fourth Proportional to 30,797.70, 46,180.08 and 15,991.74

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Solution

The fourth proportional to 30,797.70, 46,180.08 and 15,991.74 is: 23,979.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,797.70 : 46,180.08 = 15,991.74 : x
  2. Step 2: Convert to fraction form
    30,797.70/46,180.08 = 15,991.74/x
  3. Step 3: Cross multiply
    30,797.70x = 46,180.08 × 15,991.74
  4. Step 4: Simplify right side
    30,797.70x = 738,499,832.54
  5. Step 5: Solve for x
    x = 738,499,832.54/30,797.70
  6. Step 6: Final answer
    x = 23,979.06

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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.