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Finding the Fourth Proportional to 9,881.29, 14,829.23 and 7,956.73

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Solution

The fourth proportional to 9,881.29, 14,829.23 and 7,956.73 is: 11,940.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881.29 : 14,829.23 = 7,956.73 : x
  2. Step 2: Convert to fraction form
    9,881.29/14,829.23 = 7,956.73/x
  3. Step 3: Cross multiply
    9,881.29x = 14,829.23 × 7,956.73
  4. Step 4: Simplify right side
    9,881.29x = 117,992,179.22
  5. Step 5: Solve for x
    x = 117,992,179.22/9,881.29
  6. Step 6: Final answer
    x = 11,940.97

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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.