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Finding the Fourth Proportional to 64,815.22, 89,454.27 and 36,523.54

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Solution

The fourth proportional to 64,815.22, 89,454.27 and 36,523.54 is: 50,407.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,815.22 : 89,454.27 = 36,523.54 : x
  2. Step 2: Convert to fraction form
    64,815.22/89,454.27 = 36,523.54/x
  3. Step 3: Cross multiply
    64,815.22x = 89,454.27 × 36,523.54
  4. Step 4: Simplify right side
    64,815.22x = 3,267,186,608.52
  5. Step 5: Solve for x
    x = 3,267,186,608.52/64,815.22
  6. Step 6: Final answer
    x = 50,407.71

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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.