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Finding the Fourth Proportional to 65,117.48, 89,861.58 and 36,824.20

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Solution

The fourth proportional to 65,117.48, 89,861.58 and 36,824.20 is: 50,817.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,117.48 : 89,861.58 = 36,824.20 : x
  2. Step 2: Convert to fraction form
    65,117.48/89,861.58 = 36,824.20/x
  3. Step 3: Cross multiply
    65,117.48x = 89,861.58 × 36,824.20
  4. Step 4: Simplify right side
    65,117.48x = 3,309,080,794.24
  5. Step 5: Solve for x
    x = 3,309,080,794.24/65,117.48
  6. Step 6: Final answer
    x = 50,817.09

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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.