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Finding the Fourth Proportional to 65,162.40, 89,924.40 and 36,873.60

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Solution

The fourth proportional to 65,162.40, 89,924.40 and 36,873.60 is: 50,885.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,162.40 : 89,924.40 = 36,873.60 : x
  2. Step 2: Convert to fraction form
    65,162.40/89,924.40 = 36,873.60/x
  3. Step 3: Cross multiply
    65,162.40x = 89,924.40 × 36,873.60
  4. Step 4: Simplify right side
    65,162.40x = 3,315,836,355.84
  5. Step 5: Solve for x
    x = 3,315,836,355.84/65,162.40
  6. Step 6: Final answer
    x = 50,885.73

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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.