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Finding the Fourth Proportional to 33,516, 46,253.52 and 18,612

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Solution

The fourth proportional to 33,516, 46,253.52 and 18,612 is: 25,685.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,516 : 46,253.52 = 18,612 : x
  2. Step 2: Convert to fraction form
    33,516/46,253.52 = 18,612/x
  3. Step 3: Cross multiply
    33,516x = 46,253.52 × 18,612
  4. Step 4: Simplify right side
    33,516x = 860,870,514.24
  5. Step 5: Solve for x
    x = 860,870,514.24/33,516
  6. Step 6: Final answer
    x = 25,685.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.