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Finding the Fourth Proportional to 74,634.88, 103,000.82 and 41,100.88

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Solution

The fourth proportional to 74,634.88, 103,000.82 and 41,100.88 is: 56,721.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,634.88 : 103,000.82 = 41,100.88 : x
  2. Step 2: Convert to fraction form
    74,634.88/103,000.82 = 41,100.88/x
  3. Step 3: Cross multiply
    74,634.88x = 103,000.82 × 41,100.88
  4. Step 4: Simplify right side
    74,634.88x = 4,233,424,342.72
  5. Step 5: Solve for x
    x = 4,233,424,342.72/74,634.88
  6. Step 6: Final answer
    x = 56,721.79

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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.