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Finding the Fourth Proportional to 63,283.82, 94,932.81 and 21,169.49

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Solution

The fourth proportional to 63,283.82, 94,932.81 and 21,169.49 is: 31,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,283.82 : 94,932.81 = 21,169.49 : x
  2. Step 2: Convert to fraction form
    63,283.82/94,932.81 = 21,169.49/x
  3. Step 3: Cross multiply
    63,283.82x = 94,932.81 × 21,169.49
  4. Step 4: Simplify right side
    63,283.82x = 2,009,678,697.30
  5. Step 5: Solve for x
    x = 2,009,678,697.30/63,283.82
  6. Step 6: Final answer
    x = 31,756.60

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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.