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Finding the Fourth Proportional to 41,940.99, 57,878.69 and 22,820.94

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Solution

The fourth proportional to 41,940.99, 57,878.69 and 22,820.94 is: 31,492.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,940.99 : 57,878.69 = 22,820.94 : x
  2. Step 2: Convert to fraction form
    41,940.99/57,878.69 = 22,820.94/x
  3. Step 3: Cross multiply
    41,940.99x = 57,878.69 × 22,820.94
  4. Step 4: Simplify right side
    41,940.99x = 1,320,845,997.66
  5. Step 5: Solve for x
    x = 1,320,845,997.66/41,940.99
  6. Step 6: Final answer
    x = 31,492.96

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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.