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Finding the Fourth Proportional to 16,485.88, 24,728.59 and 4,006

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Solution

The fourth proportional to 16,485.88, 24,728.59 and 4,006 is: 6,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,485.88 : 24,728.59 = 4,006 : x
  2. Step 2: Convert to fraction form
    16,485.88/24,728.59 = 4,006/x
  3. Step 3: Cross multiply
    16,485.88x = 24,728.59 × 4,006
  4. Step 4: Simplify right side
    16,485.88x = 99,062,731.54
  5. Step 5: Solve for x
    x = 99,062,731.54/16,485.88
  6. Step 6: Final answer
    x = 6,008.94

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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.