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Finding the Fourth Proportional to 27,373.70, 41,061.90 and 14,251.70

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Solution

The fourth proportional to 27,373.70, 41,061.90 and 14,251.70 is: 21,378.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,373.70 : 41,061.90 = 14,251.70 : x
  2. Step 2: Convert to fraction form
    27,373.70/41,061.90 = 14,251.70/x
  3. Step 3: Cross multiply
    27,373.70x = 41,061.90 × 14,251.70
  4. Step 4: Simplify right side
    27,373.70x = 585,201,880.23
  5. Step 5: Solve for x
    x = 585,201,880.23/27,373.70
  6. Step 6: Final answer
    x = 21,378.25

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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.