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Finding the Fourth Proportional to 18,399.29, 27,599.00 and 4,548.29

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Solution

The fourth proportional to 18,399.29, 27,599.00 and 4,548.29 is: 6,822.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,399.29 : 27,599.00 = 4,548.29 : x
  2. Step 2: Convert to fraction form
    18,399.29/27,599.00 = 4,548.29/x
  3. Step 3: Cross multiply
    18,399.29x = 27,599.00 × 4,548.29
  4. Step 4: Simplify right side
    18,399.29x = 125,528,094.97
  5. Step 5: Solve for x
    x = 125,528,094.97/18,399.29
  6. Step 6: Final answer
    x = 6,822.44

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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.