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Finding the Fourth Proportional to 64,583.36, 89,126.11 and 35,512.97

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Solution

The fourth proportional to 64,583.36, 89,126.11 and 35,512.97 is: 49,008.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,583.36 : 89,126.11 = 35,512.97 : x
  2. Step 2: Convert to fraction form
    64,583.36/89,126.11 = 35,512.97/x
  3. Step 3: Cross multiply
    64,583.36x = 89,126.11 × 35,512.97
  4. Step 4: Simplify right side
    64,583.36x = 3,165,132,469.41
  5. Step 5: Solve for x
    x = 3,165,132,469.41/64,583.36
  6. Step 6: Final answer
    x = 49,008.48

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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.