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Finding the Fourth Proportional to 64,677.77, 89,255.34 and 36,383.48

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Solution

The fourth proportional to 64,677.77, 89,255.34 and 36,383.48 is: 50,209.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,677.77 : 89,255.34 = 36,383.48 : x
  2. Step 2: Convert to fraction form
    64,677.77/89,255.34 = 36,383.48/x
  3. Step 3: Cross multiply
    64,677.77x = 89,255.34 × 36,383.48
  4. Step 4: Simplify right side
    64,677.77x = 3,247,419,431.51
  5. Step 5: Solve for x
    x = 3,247,419,431.51/64,677.77
  6. Step 6: Final answer
    x = 50,209.21

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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.