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Finding the Fourth Proportional to 19,252, 28,889.52 and 8,308

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Solution

The fourth proportional to 19,252, 28,889.52 and 8,308 is: 12,466.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,252 : 28,889.52 = 8,308 : x
  2. Step 2: Convert to fraction form
    19,252/28,889.52 = 8,308/x
  3. Step 3: Cross multiply
    19,252x = 28,889.52 × 8,308
  4. Step 4: Simplify right side
    19,252x = 240,014,132.16
  5. Step 5: Solve for x
    x = 240,014,132.16/19,252
  6. Step 6: Final answer
    x = 12,466.97

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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.