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Finding the Fourth Proportional to 67,576, 101,364.36 and 18,328

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Solution

The fourth proportional to 67,576, 101,364.36 and 18,328 is: 27,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,576 : 101,364.36 = 18,328 : x
  2. Step 2: Convert to fraction form
    67,576/101,364.36 = 18,328/x
  3. Step 3: Cross multiply
    67,576x = 101,364.36 × 18,328
  4. Step 4: Simplify right side
    67,576x = 1,857,805,990.08
  5. Step 5: Solve for x
    x = 1,857,805,990.08/67,576
  6. Step 6: Final answer
    x = 27,492.10

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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.