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Finding the Fourth Proportional to 30,060, 41,484.72 and 16,812

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Solution

The fourth proportional to 30,060, 41,484.72 and 16,812 is: 23,201.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,060 : 41,484.72 = 16,812 : x
  2. Step 2: Convert to fraction form
    30,060/41,484.72 = 16,812/x
  3. Step 3: Cross multiply
    30,060x = 41,484.72 × 16,812
  4. Step 4: Simplify right side
    30,060x = 697,441,112.64
  5. Step 5: Solve for x
    x = 697,441,112.64/30,060
  6. Step 6: Final answer
    x = 23,201.63

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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.