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Finding the Fourth Proportional to 33,651.55, 50,483.45 and 13,931.60

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Solution

The fourth proportional to 33,651.55, 50,483.45 and 13,931.60 is: 20,899.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,651.55 : 50,483.45 = 13,931.60 : x
  2. Step 2: Convert to fraction form
    33,651.55/50,483.45 = 13,931.60/x
  3. Step 3: Cross multiply
    33,651.55x = 50,483.45 × 13,931.60
  4. Step 4: Simplify right side
    33,651.55x = 703,315,014.43
  5. Step 5: Solve for x
    x = 703,315,014.43/33,651.55
  6. Step 6: Final answer
    x = 20,899.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.