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Finding the Fourth Proportional to 11,235.36, 16,853 and 4,993.92

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Solution

The fourth proportional to 11,235.36, 16,853 and 4,993.92 is: 7,490.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.36 : 16,853 = 4,993.92 : x
  2. Step 2: Convert to fraction form
    11,235.36/16,853 = 4,993.92/x
  3. Step 3: Cross multiply
    11,235.36x = 16,853 × 4,993.92
  4. Step 4: Simplify right side
    11,235.36x = 84,162,533.76
  5. Step 5: Solve for x
    x = 84,162,533.76/11,235.36
  6. Step 6: Final answer
    x = 7,490.86

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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.