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Finding the Fourth Proportional to 33,182.99, 45,790.91 and 18,840.94

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Solution

The fourth proportional to 33,182.99, 45,790.91 and 18,840.94 is: 25,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,182.99 : 45,790.91 = 18,840.94 : x
  2. Step 2: Convert to fraction form
    33,182.99/45,790.91 = 18,840.94/x
  3. Step 3: Cross multiply
    33,182.99x = 45,790.91 × 18,840.94
  4. Step 4: Simplify right side
    33,182.99x = 862,743,787.86
  5. Step 5: Solve for x
    x = 862,743,787.86/33,182.99
  6. Step 6: Final answer
    x = 25,999.58

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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.