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Finding the Fourth Proportional to 18,559.56, 27,839.34 and 8,697

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Solution

The fourth proportional to 18,559.56, 27,839.34 and 8,697 is: 13,045.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.56 : 27,839.34 = 8,697 : x
  2. Step 2: Convert to fraction form
    18,559.56/27,839.34 = 8,697/x
  3. Step 3: Cross multiply
    18,559.56x = 27,839.34 × 8,697
  4. Step 4: Simplify right side
    18,559.56x = 242,118,739.98
  5. Step 5: Solve for x
    x = 242,118,739.98/18,559.56
  6. Step 6: Final answer
    x = 13,045.50

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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.