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Finding the Fourth Proportional to 65,083.34, 89,813.94 and 36,403.67

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Solution

The fourth proportional to 65,083.34, 89,813.94 and 36,403.67 is: 50,236.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,083.34 : 89,813.94 = 36,403.67 : x
  2. Step 2: Convert to fraction form
    65,083.34/89,813.94 = 36,403.67/x
  3. Step 3: Cross multiply
    65,083.34x = 89,813.94 × 36,403.67
  4. Step 4: Simplify right side
    65,083.34x = 3,269,557,033.16
  5. Step 5: Solve for x
    x = 3,269,557,033.16/65,083.34
  6. Step 6: Final answer
    x = 50,236.47

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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.