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Finding the Fourth Proportional to 48,620.48, 72,852.96 and 43,954.88

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Solution

The fourth proportional to 48,620.48, 72,852.96 and 43,954.88 is: 65,862.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,620.48 : 72,852.96 = 43,954.88 : x
  2. Step 2: Convert to fraction form
    48,620.48/72,852.96 = 43,954.88/x
  3. Step 3: Cross multiply
    48,620.48x = 72,852.96 × 43,954.88
  4. Step 4: Simplify right side
    48,620.48x = 3,202,243,114.44
  5. Step 5: Solve for x
    x = 3,202,243,114.44/48,620.48
  6. Step 6: Final answer
    x = 65,862.02

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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.