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Finding the Fourth Proportional to 18,399.25, 27,598.86 and 4,548.25

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Solution

The fourth proportional to 18,399.25, 27,598.86 and 4,548.25 is: 6,822.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,399.25 : 27,598.86 = 4,548.25 : x
  2. Step 2: Convert to fraction form
    18,399.25/27,598.86 = 4,548.25/x
  3. Step 3: Cross multiply
    18,399.25x = 27,598.86 × 4,548.25
  4. Step 4: Simplify right side
    18,399.25x = 125,526,549.49
  5. Step 5: Solve for x
    x = 125,526,549.49/18,399.25
  6. Step 6: Final answer
    x = 6,822.37

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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.