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Finding the Fourth Proportional to 34,940.86, 48,219.42 and 19,833.22

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Solution

The fourth proportional to 34,940.86, 48,219.42 and 19,833.22 is: 27,370.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,940.86 : 48,219.42 = 19,833.22 : x
  2. Step 2: Convert to fraction form
    34,940.86/48,219.42 = 19,833.22/x
  3. Step 3: Cross multiply
    34,940.86x = 48,219.42 × 19,833.22
  4. Step 4: Simplify right side
    34,940.86x = 956,346,365.13
  5. Step 5: Solve for x
    x = 956,346,365.13/34,940.86
  6. Step 6: Final answer
    x = 27,370.43

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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.