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Finding the Fourth Proportional to 16,968, 25,424.28 and 8,636.52

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Solution

The fourth proportional to 16,968, 25,424.28 and 8,636.52 is: 12,940.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,968 : 25,424.28 = 8,636.52 : x
  2. Step 2: Convert to fraction form
    16,968/25,424.28 = 8,636.52/x
  3. Step 3: Cross multiply
    16,968x = 25,424.28 × 8,636.52
  4. Step 4: Simplify right side
    16,968x = 219,577,302.71
  5. Step 5: Solve for x
    x = 219,577,302.71/16,968
  6. Step 6: Final answer
    x = 12,940.67

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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.