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Finding the Fourth Proportional to 27,653.79, 41,486.83 and 7,930.83

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Solution

The fourth proportional to 27,653.79, 41,486.83 and 7,930.83 is: 11,898.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,653.79 : 41,486.83 = 7,930.83 : x
  2. Step 2: Convert to fraction form
    27,653.79/41,486.83 = 7,930.83/x
  3. Step 3: Cross multiply
    27,653.79x = 41,486.83 × 7,930.83
  4. Step 4: Simplify right side
    27,653.79x = 329,024,976.14
  5. Step 5: Solve for x
    x = 329,024,976.14/27,653.79
  6. Step 6: Final answer
    x = 11,898.01

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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.