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Finding the Fourth Proportional to 10,670.88, 16,007.13 and 2,879.64

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Solution

The fourth proportional to 10,670.88, 16,007.13 and 2,879.64 is: 4,319.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.88 : 16,007.13 = 2,879.64 : x
  2. Step 2: Convert to fraction form
    10,670.88/16,007.13 = 2,879.64/x
  3. Step 3: Cross multiply
    10,670.88x = 16,007.13 × 2,879.64
  4. Step 4: Simplify right side
    10,670.88x = 46,094,771.83
  5. Step 5: Solve for x
    x = 46,094,771.83/10,670.88
  6. Step 6: Final answer
    x = 4,319.68

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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.