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Finding the Fourth Proportional to 7,883.66, 10,879.95 and 4,346.87

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Solution

The fourth proportional to 7,883.66, 10,879.95 and 4,346.87 is: 5,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.66 : 10,879.95 = 4,346.87 : x
  2. Step 2: Convert to fraction form
    7,883.66/10,879.95 = 4,346.87/x
  3. Step 3: Cross multiply
    7,883.66x = 10,879.95 × 4,346.87
  4. Step 4: Simplify right side
    7,883.66x = 47,293,652.12
  5. Step 5: Solve for x
    x = 47,293,652.12/7,883.66
  6. Step 6: Final answer
    x = 5,998.95

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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.