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Finding the Fourth Proportional to 48,291.16, 72,451.84 and 21,659.48

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Solution

The fourth proportional to 48,291.16, 72,451.84 and 21,659.48 is: 32,495.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,291.16 : 72,451.84 = 21,659.48 : x
  2. Step 2: Convert to fraction form
    48,291.16/72,451.84 = 21,659.48/x
  3. Step 3: Cross multiply
    48,291.16x = 72,451.84 × 21,659.48
  4. Step 4: Simplify right side
    48,291.16x = 1,569,269,179.44
  5. Step 5: Solve for x
    x = 1,569,269,179.44/48,291.16
  6. Step 6: Final answer
    x = 32,495.99

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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.