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Finding the Fourth Proportional to 48,246.56, 72,404.04 and 21,954.68

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Solution

The fourth proportional to 48,246.56, 72,404.04 and 21,954.68 is: 32,947.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,246.56 : 72,404.04 = 21,954.68 : x
  2. Step 2: Convert to fraction form
    48,246.56/72,404.04 = 21,954.68/x
  3. Step 3: Cross multiply
    48,246.56x = 72,404.04 × 21,954.68
  4. Step 4: Simplify right side
    48,246.56x = 1,589,607,528.91
  5. Step 5: Solve for x
    x = 1,589,607,528.91/48,246.56
  6. Step 6: Final answer
    x = 32,947.58

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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.