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Finding the Fourth Proportional to 30,496.33, 45,721.90 and 14,477.94

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Solution

The fourth proportional to 30,496.33, 45,721.90 and 14,477.94 is: 21,706.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,496.33 : 45,721.90 = 14,477.94 : x
  2. Step 2: Convert to fraction form
    30,496.33/45,721.90 = 14,477.94/x
  3. Step 3: Cross multiply
    30,496.33x = 45,721.90 × 14,477.94
  4. Step 4: Simplify right side
    30,496.33x = 661,958,942.98
  5. Step 5: Solve for x
    x = 661,958,942.98/30,496.33
  6. Step 6: Final answer
    x = 21,706.18

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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.