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Finding the Fourth Proportional to 18,804.25, 28,184.51 and 18,596.49

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Solution

The fourth proportional to 18,804.25, 28,184.51 and 18,596.49 is: 27,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,804.25 : 28,184.51 = 18,596.49 : x
  2. Step 2: Convert to fraction form
    18,804.25/28,184.51 = 18,596.49/x
  3. Step 3: Cross multiply
    18,804.25x = 28,184.51 × 18,596.49
  4. Step 4: Simplify right side
    18,804.25x = 524,132,794.56
  5. Step 5: Solve for x
    x = 524,132,794.56/18,804.25
  6. Step 6: Final answer
    x = 27,873.10

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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.