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Finding the Fourth Proportional to 32,754.86, 45,201.85 and 18,608.48

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Solution

The fourth proportional to 32,754.86, 45,201.85 and 18,608.48 is: 25,679.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,754.86 : 45,201.85 = 18,608.48 : x
  2. Step 2: Convert to fraction form
    32,754.86/45,201.85 = 18,608.48/x
  3. Step 3: Cross multiply
    32,754.86x = 45,201.85 × 18,608.48
  4. Step 4: Simplify right side
    32,754.86x = 841,137,495.68
  5. Step 5: Solve for x
    x = 841,137,495.68/32,754.86
  6. Step 6: Final answer
    x = 25,679.78

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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.