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Finding the Fourth Proportional to 27,819.99, 41,740.25 and 13,033.71

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Solution

The fourth proportional to 27,819.99, 41,740.25 and 13,033.71 is: 19,555.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,819.99 : 41,740.25 = 13,033.71 : x
  2. Step 2: Convert to fraction form
    27,819.99/41,740.25 = 13,033.71/x
  3. Step 3: Cross multiply
    27,819.99x = 41,740.25 × 13,033.71
  4. Step 4: Simplify right side
    27,819.99x = 544,030,248.66
  5. Step 5: Solve for x
    x = 544,030,248.66/27,819.99
  6. Step 6: Final answer
    x = 19,555.37

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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.