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Finding the Fourth Proportional to 47,583, 71,379.36 and 16,418.16

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Solution

The fourth proportional to 47,583, 71,379.36 and 16,418.16 is: 24,628.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,583 : 71,379.36 = 16,418.16 : x
  2. Step 2: Convert to fraction form
    47,583/71,379.36 = 16,418.16/x
  3. Step 3: Cross multiply
    47,583x = 71,379.36 × 16,418.16
  4. Step 4: Simplify right side
    47,583x = 1,171,917,753.18
  5. Step 5: Solve for x
    x = 1,171,917,753.18/47,583
  6. Step 6: Final answer
    x = 24,628.92

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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.