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Finding the Fourth Proportional to 30,737.27, 42,412.71 and 17,308.18

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Solution

The fourth proportional to 30,737.27, 42,412.71 and 17,308.18 is: 23,882.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,737.27 : 42,412.71 = 17,308.18 : x
  2. Step 2: Convert to fraction form
    30,737.27/42,412.71 = 17,308.18/x
  3. Step 3: Cross multiply
    30,737.27x = 42,412.71 × 17,308.18
  4. Step 4: Simplify right side
    30,737.27x = 734,086,936.89
  5. Step 5: Solve for x
    x = 734,086,936.89/30,737.27
  6. Step 6: Final answer
    x = 23,882.63

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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.