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Finding the Fourth Proportional to 11,008.85, 16,484.11 and 5,803.79

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Solution

The fourth proportional to 11,008.85, 16,484.11 and 5,803.79 is: 8,690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.85 : 16,484.11 = 5,803.79 : x
  2. Step 2: Convert to fraction form
    11,008.85/16,484.11 = 5,803.79/x
  3. Step 3: Cross multiply
    11,008.85x = 16,484.11 × 5,803.79
  4. Step 4: Simplify right side
    11,008.85x = 95,670,312.78
  5. Step 5: Solve for x
    x = 95,670,312.78/11,008.85
  6. Step 6: Final answer
    x = 8,690.31

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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.