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Finding the Fourth Proportional to 65,179.44, 89,946.84 and 36,884.40

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Solution

The fourth proportional to 65,179.44, 89,946.84 and 36,884.40 is: 50,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,179.44 : 89,946.84 = 36,884.40 : x
  2. Step 2: Convert to fraction form
    65,179.44/89,946.84 = 36,884.40/x
  3. Step 3: Cross multiply
    65,179.44x = 89,946.84 × 36,884.40
  4. Step 4: Simplify right side
    65,179.44x = 3,317,635,225.30
  5. Step 5: Solve for x
    x = 3,317,635,225.30/65,179.44
  6. Step 6: Final answer
    x = 50,900.03

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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.