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Finding the Fourth Proportional to 59,215.32, 81,739.80 and 36,558

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Solution

The fourth proportional to 59,215.32, 81,739.80 and 36,558 is: 50,464.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,215.32 : 81,739.80 = 36,558 : x
  2. Step 2: Convert to fraction form
    59,215.32/81,739.80 = 36,558/x
  3. Step 3: Cross multiply
    59,215.32x = 81,739.80 × 36,558
  4. Step 4: Simplify right side
    59,215.32x = 2,988,243,608.40
  5. Step 5: Solve for x
    x = 2,988,243,608.40/59,215.32
  6. Step 6: Final answer
    x = 50,464.03

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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.