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Finding the Fourth Proportional to 18,763.56, 25,894.08 and 10,804.44

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Solution

The fourth proportional to 18,763.56, 25,894.08 and 10,804.44 is: 14,910.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,763.56 : 25,894.08 = 10,804.44 : x
  2. Step 2: Convert to fraction form
    18,763.56/25,894.08 = 10,804.44/x
  3. Step 3: Cross multiply
    18,763.56x = 25,894.08 × 10,804.44
  4. Step 4: Simplify right side
    18,763.56x = 279,771,033.72
  5. Step 5: Solve for x
    x = 279,771,033.72/18,763.56
  6. Step 6: Final answer
    x = 14,910.34

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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.