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Finding the Fourth Proportional to 64,677.63, 89,255.10 and 36,383.31

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Solution

The fourth proportional to 64,677.63, 89,255.10 and 36,383.31 is: 50,208.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,677.63 : 89,255.10 = 36,383.31 : x
  2. Step 2: Convert to fraction form
    64,677.63/89,255.10 = 36,383.31/x
  3. Step 3: Cross multiply
    64,677.63x = 89,255.10 × 36,383.31
  4. Step 4: Simplify right side
    64,677.63x = 3,247,395,972.38
  5. Step 5: Solve for x
    x = 3,247,395,972.38/64,677.63
  6. Step 6: Final answer
    x = 50,208.95

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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.