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Finding the Fourth Proportional to 33,423, 46,124.28 and 18,519

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Solution

The fourth proportional to 33,423, 46,124.28 and 18,519 is: 25,556.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,423 : 46,124.28 = 18,519 : x
  2. Step 2: Convert to fraction form
    33,423/46,124.28 = 18,519/x
  3. Step 3: Cross multiply
    33,423x = 46,124.28 × 18,519
  4. Step 4: Simplify right side
    33,423x = 854,175,541.32
  5. Step 5: Solve for x
    x = 854,175,541.32/33,423
  6. Step 6: Final answer
    x = 25,556.52

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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.