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Finding the Fourth Proportional to 18,333.44, 25,300.15 and 9,949.94

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Solution

The fourth proportional to 18,333.44, 25,300.15 and 9,949.94 is: 13,730.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.44 : 25,300.15 = 9,949.94 : x
  2. Step 2: Convert to fraction form
    18,333.44/25,300.15 = 9,949.94/x
  3. Step 3: Cross multiply
    18,333.44x = 25,300.15 × 9,949.94
  4. Step 4: Simplify right side
    18,333.44x = 251,734,861.49
  5. Step 5: Solve for x
    x = 251,734,861.49/18,333.44
  6. Step 6: Final answer
    x = 13,730.91

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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.