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Finding the Fourth Proportional to 18,804.30, 28,224.07 and 9,926.22

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Solution

The fourth proportional to 18,804.30, 28,224.07 and 9,926.22 is: 14,898.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,804.30 : 28,224.07 = 9,926.22 : x
  2. Step 2: Convert to fraction form
    18,804.30/28,224.07 = 9,926.22/x
  3. Step 3: Cross multiply
    18,804.30x = 28,224.07 × 9,926.22
  4. Step 4: Simplify right side
    18,804.30x = 280,158,357.68
  5. Step 5: Solve for x
    x = 280,158,357.68/18,804.30
  6. Step 6: Final answer
    x = 14,898.63

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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.