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Finding the Fourth Proportional to 33,803.86, 46,649.43 and 18,899.86

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Solution

The fourth proportional to 33,803.86, 46,649.43 and 18,899.86 is: 26,081.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,803.86 : 46,649.43 = 18,899.86 : x
  2. Step 2: Convert to fraction form
    33,803.86/46,649.43 = 18,899.86/x
  3. Step 3: Cross multiply
    33,803.86x = 46,649.43 × 18,899.86
  4. Step 4: Simplify right side
    33,803.86x = 881,667,696.08
  5. Step 5: Solve for x
    x = 881,667,696.08/33,803.86
  6. Step 6: Final answer
    x = 26,081.86

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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.