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Finding the Fourth Proportional to 48,656.37, 72,842.31 and 43,987.08

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Solution

The fourth proportional to 48,656.37, 72,842.31 and 43,987.08 is: 65,852.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,656.37 : 72,842.31 = 43,987.08 : x
  2. Step 2: Convert to fraction form
    48,656.37/72,842.31 = 43,987.08/x
  3. Step 3: Cross multiply
    48,656.37x = 72,842.31 × 43,987.08
  4. Step 4: Simplify right side
    48,656.37x = 3,204,120,517.35
  5. Step 5: Solve for x
    x = 3,204,120,517.35/48,656.37
  6. Step 6: Final answer
    x = 65,852.03

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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.