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Finding the Fourth Proportional to 65,033.55, 89,744.40 and 36,353.25

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Solution

The fourth proportional to 65,033.55, 89,744.40 and 36,353.25 is: 50,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,033.55 : 89,744.40 = 36,353.25 : x
  2. Step 2: Convert to fraction form
    65,033.55/89,744.40 = 36,353.25/x
  3. Step 3: Cross multiply
    65,033.55x = 89,744.40 × 36,353.25
  4. Step 4: Simplify right side
    65,033.55x = 3,262,500,609.30
  5. Step 5: Solve for x
    x = 3,262,500,609.30/65,033.55
  6. Step 6: Final answer
    x = 50,166.42

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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.