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Finding the Fourth Proportional to 63,026.90, 94,555.03 and 20,903.90

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Solution

The fourth proportional to 63,026.90, 94,555.03 and 20,903.90 is: 31,360.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,026.90 : 94,555.03 = 20,903.90 : x
  2. Step 2: Convert to fraction form
    63,026.90/94,555.03 = 20,903.90/x
  3. Step 3: Cross multiply
    63,026.90x = 94,555.03 × 20,903.90
  4. Step 4: Simplify right side
    63,026.90x = 1,976,568,366.58
  5. Step 5: Solve for x
    x = 1,976,568,366.58/63,026.90
  6. Step 6: Final answer
    x = 31,360.71

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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.