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Finding the Fourth Proportional to 64,908.52, 89,570.13 and 36,612.38

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Solution

The fourth proportional to 64,908.52, 89,570.13 and 36,612.38 is: 50,523.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,908.52 : 89,570.13 = 36,612.38 : x
  2. Step 2: Convert to fraction form
    64,908.52/89,570.13 = 36,612.38/x
  3. Step 3: Cross multiply
    64,908.52x = 89,570.13 × 36,612.38
  4. Step 4: Simplify right side
    64,908.52x = 3,279,375,636.21
  5. Step 5: Solve for x
    x = 3,279,375,636.21/64,908.52
  6. Step 6: Final answer
    x = 50,523.04

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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.