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Finding the Fourth Proportional to 7,906.56, 11,852.64 and 4,976.16

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Solution

The fourth proportional to 7,906.56, 11,852.64 and 4,976.16 is: 7,459.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906.56 : 11,852.64 = 4,976.16 : x
  2. Step 2: Convert to fraction form
    7,906.56/11,852.64 = 4,976.16/x
  3. Step 3: Cross multiply
    7,906.56x = 11,852.64 × 4,976.16
  4. Step 4: Simplify right side
    7,906.56x = 58,980,633.06
  5. Step 5: Solve for x
    x = 58,980,633.06/7,906.56
  6. Step 6: Final answer
    x = 7,459.71

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1.5x scale

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.