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Finding the Fourth Proportional to 33,899.76, 46,781.54 and 18,995.76

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Solution

The fourth proportional to 33,899.76, 46,781.54 and 18,995.76 is: 26,214.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,899.76 : 46,781.54 = 18,995.76 : x
  2. Step 2: Convert to fraction form
    33,899.76/46,781.54 = 18,995.76/x
  3. Step 3: Cross multiply
    33,899.76x = 46,781.54 × 18,995.76
  4. Step 4: Simplify right side
    33,899.76x = 888,650,906.27
  5. Step 5: Solve for x
    x = 888,650,906.27/33,899.76
  6. Step 6: Final answer
    x = 26,214.08

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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.