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Finding the Fourth Proportional to 11,616.73, 16,029.72 and 6,835.62

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Solution

The fourth proportional to 11,616.73, 16,029.72 and 6,835.62 is: 9,432.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,616.73 : 16,029.72 = 6,835.62 : x
  2. Step 2: Convert to fraction form
    11,616.73/16,029.72 = 6,835.62/x
  3. Step 3: Cross multiply
    11,616.73x = 16,029.72 × 6,835.62
  4. Step 4: Simplify right side
    11,616.73x = 109,573,153.96
  5. Step 5: Solve for x
    x = 109,573,153.96/11,616.73
  6. Step 6: Final answer
    x = 9,432.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.