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Finding the Fourth Proportional to 63,624, 87,801.12 and 41,268

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Solution

The fourth proportional to 63,624, 87,801.12 and 41,268 is: 56,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,624 : 87,801.12 = 41,268 : x
  2. Step 2: Convert to fraction form
    63,624/87,801.12 = 41,268/x
  3. Step 3: Cross multiply
    63,624x = 87,801.12 × 41,268
  4. Step 4: Simplify right side
    63,624x = 3,623,376,620.16
  5. Step 5: Solve for x
    x = 3,623,376,620.16/63,624
  6. Step 6: Final answer
    x = 56,949.84

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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.