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Finding the Fourth Proportional to 64,677.38, 89,254.76 and 36,383.07

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Solution

The fourth proportional to 64,677.38, 89,254.76 and 36,383.07 is: 50,208.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,677.38 : 89,254.76 = 36,383.07 : x
  2. Step 2: Convert to fraction form
    64,677.38/89,254.76 = 36,383.07/x
  3. Step 3: Cross multiply
    64,677.38x = 89,254.76 × 36,383.07
  4. Step 4: Simplify right side
    64,677.38x = 3,247,361,552.72
  5. Step 5: Solve for x
    x = 3,247,361,552.72/64,677.38
  6. Step 6: Final answer
    x = 50,208.61

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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.