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Finding the Fourth Proportional to 53,573.20, 80,230.20 and 51,240.40

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Solution

The fourth proportional to 53,573.20, 80,230.20 and 51,240.40 is: 76,736.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,573.20 : 80,230.20 = 51,240.40 : x
  2. Step 2: Convert to fraction form
    53,573.20/80,230.20 = 51,240.40/x
  3. Step 3: Cross multiply
    53,573.20x = 80,230.20 × 51,240.40
  4. Step 4: Simplify right side
    53,573.20x = 4,111,027,540.08
  5. Step 5: Solve for x
    x = 4,111,027,540.08/53,573.20
  6. Step 6: Final answer
    x = 76,736.64

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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.