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Finding the Fourth Proportional to 63,160.56, 94,713.81 and 21,029.22

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Solution

The fourth proportional to 63,160.56, 94,713.81 and 21,029.22 is: 31,534.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,160.56 : 94,713.81 = 21,029.22 : x
  2. Step 2: Convert to fraction form
    63,160.56/94,713.81 = 21,029.22/x
  3. Step 3: Cross multiply
    63,160.56x = 94,713.81 × 21,029.22
  4. Step 4: Simplify right side
    63,160.56x = 1,991,757,468.67
  5. Step 5: Solve for x
    x = 1,991,757,468.67/63,160.56
  6. Step 6: Final answer
    x = 31,534.83

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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.