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Finding the Fourth Proportional to 7,883.68, 10,879.48 and 4,346.88

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Solution

The fourth proportional to 7,883.68, 10,879.48 and 4,346.88 is: 5,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.68 : 10,879.48 = 4,346.88 : x
  2. Step 2: Convert to fraction form
    7,883.68/10,879.48 = 4,346.88/x
  3. Step 3: Cross multiply
    7,883.68x = 10,879.48 × 4,346.88
  4. Step 4: Simplify right side
    7,883.68x = 47,291,794.02
  5. Step 5: Solve for x
    x = 47,291,794.02/7,883.68
  6. Step 6: Final answer
    x = 5,998.70

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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.