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Finding the Fourth Proportional to 64,806.44, 89,428.34 and 35,733.52

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Solution

The fourth proportional to 64,806.44, 89,428.34 and 35,733.52 is: 49,309.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,806.44 : 89,428.34 = 35,733.52 : x
  2. Step 2: Convert to fraction form
    64,806.44/89,428.34 = 35,733.52/x
  3. Step 3: Cross multiply
    64,806.44x = 89,428.34 × 35,733.52
  4. Step 4: Simplify right side
    64,806.44x = 3,195,588,750.15
  5. Step 5: Solve for x
    x = 3,195,588,750.15/64,806.44
  6. Step 6: Final answer
    x = 49,309.74

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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.