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Finding the Fourth Proportional to 64,865.94, 89,514.85 and 36,571.43

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Solution

The fourth proportional to 64,865.94, 89,514.85 and 36,571.43 is: 50,468.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,865.94 : 89,514.85 = 36,571.43 : x
  2. Step 2: Convert to fraction form
    64,865.94/89,514.85 = 36,571.43/x
  3. Step 3: Cross multiply
    64,865.94x = 89,514.85 × 36,571.43
  4. Step 4: Simplify right side
    64,865.94x = 3,273,685,440.30
  5. Step 5: Solve for x
    x = 3,273,685,440.30/64,865.94
  6. Step 6: Final answer
    x = 50,468.48

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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.