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Finding the Fourth Proportional to 27,357.63, 41,030.97 and 8,634.48

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Solution

The fourth proportional to 27,357.63, 41,030.97 and 8,634.48 is: 12,949.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,357.63 : 41,030.97 = 8,634.48 : x
  2. Step 2: Convert to fraction form
    27,357.63/41,030.97 = 8,634.48/x
  3. Step 3: Cross multiply
    27,357.63x = 41,030.97 × 8,634.48
  4. Step 4: Simplify right side
    27,357.63x = 354,281,089.85
  5. Step 5: Solve for x
    x = 354,281,089.85/27,357.63
  6. Step 6: Final answer
    x = 12,949.99

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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.