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Finding the Fourth Proportional to 36,591.84, 50,491.16 and 20,670.48

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Solution

The fourth proportional to 36,591.84, 50,491.16 and 20,670.48 is: 28,522.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,591.84 : 50,491.16 = 20,670.48 : x
  2. Step 2: Convert to fraction form
    36,591.84/50,491.16 = 20,670.48/x
  3. Step 3: Cross multiply
    36,591.84x = 50,491.16 × 20,670.48
  4. Step 4: Simplify right side
    36,591.84x = 1,043,676,512.96
  5. Step 5: Solve for x
    x = 1,043,676,512.96/36,591.84
  6. Step 6: Final answer
    x = 28,522.11

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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.