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Finding the Fourth Proportional to 7,906.64, 11,859.53 and 4,010.95

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Solution

The fourth proportional to 7,906.64, 11,859.53 and 4,010.95 is: 6,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906.64 : 11,859.53 = 4,010.95 : x
  2. Step 2: Convert to fraction form
    7,906.64/11,859.53 = 4,010.95/x
  3. Step 3: Cross multiply
    7,906.64x = 11,859.53 × 4,010.95
  4. Step 4: Simplify right side
    7,906.64x = 47,567,932.58
  5. Step 5: Solve for x
    x = 47,567,932.58/7,906.64
  6. Step 6: Final answer
    x = 6,016.20

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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.