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Finding the Fourth Proportional to 27,505.98, 37,958.70 and 14,930.70

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Solution

The fourth proportional to 27,505.98, 37,958.70 and 14,930.70 is: 20,604.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,505.98 : 37,958.70 = 14,930.70 : x
  2. Step 2: Convert to fraction form
    27,505.98/37,958.70 = 14,930.70/x
  3. Step 3: Cross multiply
    27,505.98x = 37,958.70 × 14,930.70
  4. Step 4: Simplify right side
    27,505.98x = 566,749,962.09
  5. Step 5: Solve for x
    x = 566,749,962.09/27,505.98
  6. Step 6: Final answer
    x = 20,604.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.