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Finding the Fourth Proportional to 7,796.58, 11,694.86 and 1,953.19

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Solution

The fourth proportional to 7,796.58, 11,694.86 and 1,953.19 is: 2,929.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,796.58 : 11,694.86 = 1,953.19 : x
  2. Step 2: Convert to fraction form
    7,796.58/11,694.86 = 1,953.19/x
  3. Step 3: Cross multiply
    7,796.58x = 11,694.86 × 1,953.19
  4. Step 4: Simplify right side
    7,796.58x = 22,842,283.60
  5. Step 5: Solve for x
    x = 22,842,283.60/7,796.58
  6. Step 6: Final answer
    x = 2,929.78

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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.