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Finding the Fourth Proportional to 18,803.01, 28,204.91 and 6,323.43

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Solution

The fourth proportional to 18,803.01, 28,204.91 and 6,323.43 is: 9,485.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,803.01 : 28,204.91 = 6,323.43 : x
  2. Step 2: Convert to fraction form
    18,803.01/28,204.91 = 6,323.43/x
  3. Step 3: Cross multiply
    18,803.01x = 28,204.91 × 6,323.43
  4. Step 4: Simplify right side
    18,803.01x = 178,351,774.04
  5. Step 5: Solve for x
    x = 178,351,774.04/18,803.01
  6. Step 6: Final answer
    x = 9,485.28

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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.