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Finding the Fourth Proportional to 53,749.35, 80,530.31 and 32,644.80

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Solution

The fourth proportional to 53,749.35, 80,530.31 and 32,644.80 is: 48,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,749.35 : 80,530.31 = 32,644.80 : x
  2. Step 2: Convert to fraction form
    53,749.35/80,530.31 = 32,644.80/x
  3. Step 3: Cross multiply
    53,749.35x = 80,530.31 × 32,644.80
  4. Step 4: Simplify right side
    53,749.35x = 2,628,895,700.66
  5. Step 5: Solve for x
    x = 2,628,895,700.66/53,749.35
  6. Step 6: Final answer
    x = 48,910.28

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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.