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Finding the Fourth Proportional to 30,232.58, 41,739.62 and 19,481.24

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Solution

The fourth proportional to 30,232.58, 41,739.62 and 19,481.24 is: 26,896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,232.58 : 41,739.62 = 19,481.24 : x
  2. Step 2: Convert to fraction form
    30,232.58/41,739.62 = 19,481.24/x
  3. Step 3: Cross multiply
    30,232.58x = 41,739.62 × 19,481.24
  4. Step 4: Simplify right side
    30,232.58x = 813,139,707.78
  5. Step 5: Solve for x
    x = 813,139,707.78/30,232.58
  6. Step 6: Final answer
    x = 26,896.14

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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.