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Finding the Fourth Proportional to 7,926.00, 11,928.78 and 5,961.80

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Solution

The fourth proportional to 7,926.00, 11,928.78 and 5,961.80 is: 8,972.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.00 : 11,928.78 = 5,961.80 : x
  2. Step 2: Convert to fraction form
    7,926.00/11,928.78 = 5,961.80/x
  3. Step 3: Cross multiply
    7,926.00x = 11,928.78 × 5,961.80
  4. Step 4: Simplify right side
    7,926.00x = 71,116,925.60
  5. Step 5: Solve for x
    x = 71,116,925.60/7,926.00
  6. Step 6: Final answer
    x = 8,972.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.