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Finding the Fourth Proportional to 63,022.76, 94,548.84 and 20,899.76

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Solution

The fourth proportional to 63,022.76, 94,548.84 and 20,899.76 is: 31,354.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,022.76 : 94,548.84 = 20,899.76 : x
  2. Step 2: Convert to fraction form
    63,022.76/94,548.84 = 20,899.76/x
  3. Step 3: Cross multiply
    63,022.76x = 94,548.84 × 20,899.76
  4. Step 4: Simplify right side
    63,022.76x = 1,976,047,591.53
  5. Step 5: Solve for x
    x = 1,976,047,591.53/63,022.76
  6. Step 6: Final answer
    x = 31,354.51

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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.