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Finding the Fourth Proportional to 27,470.70, 41,163.42 and 19,053.63

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Solution

The fourth proportional to 27,470.70, 41,163.42 and 19,053.63 is: 28,550.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,470.70 : 41,163.42 = 19,053.63 : x
  2. Step 2: Convert to fraction form
    27,470.70/41,163.42 = 19,053.63/x
  3. Step 3: Cross multiply
    27,470.70x = 41,163.42 × 19,053.63
  4. Step 4: Simplify right side
    27,470.70x = 784,312,574.21
  5. Step 5: Solve for x
    x = 784,312,574.21/27,470.70
  6. Step 6: Final answer
    x = 28,550.88

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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.