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Finding the Fourth Proportional to 18,339.23, 27,504.42 and 8,469.02

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Solution

The fourth proportional to 18,339.23, 27,504.42 and 8,469.02 is: 12,701.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.23 : 27,504.42 = 8,469.02 : x
  2. Step 2: Convert to fraction form
    18,339.23/27,504.42 = 8,469.02/x
  3. Step 3: Cross multiply
    18,339.23x = 27,504.42 × 8,469.02
  4. Step 4: Simplify right side
    18,339.23x = 232,935,483.07
  5. Step 5: Solve for x
    x = 232,935,483.07/18,339.23
  6. Step 6: Final answer
    x = 12,701.49

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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.