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Finding the Fourth Proportional to 33,820.91, 46,672.91 and 18,714.21

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Solution

The fourth proportional to 33,820.91, 46,672.91 and 18,714.21 is: 25,825.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,820.91 : 46,672.91 = 18,714.21 : x
  2. Step 2: Convert to fraction form
    33,820.91/46,672.91 = 18,714.21/x
  3. Step 3: Cross multiply
    33,820.91x = 46,672.91 × 18,714.21
  4. Step 4: Simplify right side
    33,820.91x = 873,446,440.63
  5. Step 5: Solve for x
    x = 873,446,440.63/33,820.91
  6. Step 6: Final answer
    x = 25,825.63

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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.