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Finding the Fourth Proportional to 7,883.53, 10,879.76 and 4,346.75

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Solution

The fourth proportional to 7,883.53, 10,879.76 and 4,346.75 is: 5,998.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.53 : 10,879.76 = 4,346.75 : x
  2. Step 2: Convert to fraction form
    7,883.53/10,879.76 = 4,346.75/x
  3. Step 3: Cross multiply
    7,883.53x = 10,879.76 × 4,346.75
  4. Step 4: Simplify right side
    7,883.53x = 47,291,634.85
  5. Step 5: Solve for x
    x = 47,291,634.85/7,883.53
  6. Step 6: Final answer
    x = 5,998.79

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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.