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Finding the Fourth Proportional to 50,672.40, 76,051.80 and 22,635.60

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Solution

The fourth proportional to 50,672.40, 76,051.80 and 22,635.60 is: 33,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,672.40 : 76,051.80 = 22,635.60 : x
  2. Step 2: Convert to fraction form
    50,672.40/76,051.80 = 22,635.60/x
  3. Step 3: Cross multiply
    50,672.40x = 76,051.80 × 22,635.60
  4. Step 4: Simplify right side
    50,672.40x = 1,721,478,124.08
  5. Step 5: Solve for x
    x = 1,721,478,124.08/50,672.40
  6. Step 6: Final answer
    x = 33,972.70

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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.