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Finding the Fourth Proportional to 65,034.57, 89,745.81 and 36,354.29

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Solution

The fourth proportional to 65,034.57, 89,745.81 and 36,354.29 is: 50,167.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,034.57 : 89,745.81 = 36,354.29 : x
  2. Step 2: Convert to fraction form
    65,034.57/89,745.81 = 36,354.29/x
  3. Step 3: Cross multiply
    65,034.57x = 89,745.81 × 36,354.29
  4. Step 4: Simplify right side
    65,034.57x = 3,262,645,427.39
  5. Step 5: Solve for x
    x = 3,262,645,427.39/65,034.57
  6. Step 6: Final answer
    x = 50,167.86

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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.