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Finding the Fourth Proportional to 30,611, 42,243.18 and 17,363

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Solution

The fourth proportional to 30,611, 42,243.18 and 17,363 is: 23,960.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611 : 42,243.18 = 17,363 : x
  2. Step 2: Convert to fraction form
    30,611/42,243.18 = 17,363/x
  3. Step 3: Cross multiply
    30,611x = 42,243.18 × 17,363
  4. Step 4: Simplify right side
    30,611x = 733,468,334.34
  5. Step 5: Solve for x
    x = 733,468,334.34/30,611
  6. Step 6: Final answer
    x = 23,960.94

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