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Finding the Fourth Proportional to 27,684, 41,526.36 and 9,216

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Solution

The fourth proportional to 27,684, 41,526.36 and 9,216 is: 13,824.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,684 : 41,526.36 = 9,216 : x
  2. Step 2: Convert to fraction form
    27,684/41,526.36 = 9,216/x
  3. Step 3: Cross multiply
    27,684x = 41,526.36 × 9,216
  4. Step 4: Simplify right side
    27,684x = 382,706,933.76
  5. Step 5: Solve for x
    x = 382,706,933.76/27,684
  6. Step 6: Final answer
    x = 13,824.12

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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.