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Finding the Fourth Proportional to 63,014.58, 94,537.95 and 20,906.40

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Solution

The fourth proportional to 63,014.58, 94,537.95 and 20,906.40 is: 31,364.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,014.58 : 94,537.95 = 20,906.40 : x
  2. Step 2: Convert to fraction form
    63,014.58/94,537.95 = 20,906.40/x
  3. Step 3: Cross multiply
    63,014.58x = 94,537.95 × 20,906.40
  4. Step 4: Simplify right side
    63,014.58x = 1,976,448,197.88
  5. Step 5: Solve for x
    x = 1,976,448,197.88/63,014.58
  6. Step 6: Final answer
    x = 31,364.93

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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.