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Finding the Fourth Proportional to 34,540.88, 47,666.41 and 19,636.88

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Solution

The fourth proportional to 34,540.88, 47,666.41 and 19,636.88 is: 27,098.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,540.88 : 47,666.41 = 19,636.88 : x
  2. Step 2: Convert to fraction form
    34,540.88/47,666.41 = 19,636.88/x
  3. Step 3: Cross multiply
    34,540.88x = 47,666.41 × 19,636.88
  4. Step 4: Simplify right side
    34,540.88x = 936,019,285.78
  5. Step 5: Solve for x
    x = 936,019,285.78/34,540.88
  6. Step 6: Final answer
    x = 27,098.89

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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.