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Finding the Fourth Proportional to 7,796.56, 11,694.18 and 1,953.16

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Solution

The fourth proportional to 7,796.56, 11,694.18 and 1,953.16 is: 2,929.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,796.56 : 11,694.18 = 1,953.16 : x
  2. Step 2: Convert to fraction form
    7,796.56/11,694.18 = 1,953.16/x
  3. Step 3: Cross multiply
    7,796.56x = 11,694.18 × 1,953.16
  4. Step 4: Simplify right side
    7,796.56x = 22,840,604.61
  5. Step 5: Solve for x
    x = 22,840,604.61/7,796.56
  6. Step 6: Final answer
    x = 2,929.57

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Double scale
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Similar ratio
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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.