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Finding the Fourth Proportional to 30,645.60, 45,968.36 and 26,796.48

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Solution

The fourth proportional to 30,645.60, 45,968.36 and 26,796.48 is: 40,194.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,645.60 : 45,968.36 = 26,796.48 : x
  2. Step 2: Convert to fraction form
    30,645.60/45,968.36 = 26,796.48/x
  3. Step 3: Cross multiply
    30,645.60x = 45,968.36 × 26,796.48
  4. Step 4: Simplify right side
    30,645.60x = 1,231,790,239.37
  5. Step 5: Solve for x
    x = 1,231,790,239.37/30,645.60
  6. Step 6: Final answer
    x = 40,194.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.