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Finding the Fourth Proportional to 18,884.88, 28,327.14 and 5,033.88

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Solution

The fourth proportional to 18,884.88, 28,327.14 and 5,033.88 is: 7,550.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884.88 : 28,327.14 = 5,033.88 : x
  2. Step 2: Convert to fraction form
    18,884.88/28,327.14 = 5,033.88/x
  3. Step 3: Cross multiply
    18,884.88x = 28,327.14 × 5,033.88
  4. Step 4: Simplify right side
    18,884.88x = 142,595,423.50
  5. Step 5: Solve for x
    x = 142,595,423.50/18,884.88
  6. Step 6: Final answer
    x = 7,550.77

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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.