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Finding the Fourth Proportional to 74,524.59, 102,855.87 and 43,902.63

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Solution

The fourth proportional to 74,524.59, 102,855.87 and 43,902.63 is: 60,592.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,524.59 : 102,855.87 = 43,902.63 : x
  2. Step 2: Convert to fraction form
    74,524.59/102,855.87 = 43,902.63/x
  3. Step 3: Cross multiply
    74,524.59x = 102,855.87 × 43,902.63
  4. Step 4: Simplify right side
    74,524.59x = 4,515,643,203.94
  5. Step 5: Solve for x
    x = 4,515,643,203.94/74,524.59
  6. Step 6: Final answer
    x = 60,592.66

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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.