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Finding the Fourth Proportional to 64,229.70, 88,635.16 and 35,550.54

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Solution

The fourth proportional to 64,229.70, 88,635.16 and 35,550.54 is: 49,058.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,229.70 : 88,635.16 = 35,550.54 : x
  2. Step 2: Convert to fraction form
    64,229.70/88,635.16 = 35,550.54/x
  3. Step 3: Cross multiply
    64,229.70x = 88,635.16 × 35,550.54
  4. Step 4: Simplify right side
    64,229.70x = 3,151,027,712.11
  5. Step 5: Solve for x
    x = 3,151,027,712.11/64,229.70
  6. Step 6: Final answer
    x = 49,058.73

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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.