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Finding the Fourth Proportional to 63,107.94, 94,661.88 and 18,734.66

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Solution

The fourth proportional to 63,107.94, 94,661.88 and 18,734.66 is: 28,101.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,107.94 : 94,661.88 = 18,734.66 : x
  2. Step 2: Convert to fraction form
    63,107.94/94,661.88 = 18,734.66/x
  3. Step 3: Cross multiply
    63,107.94x = 94,661.88 × 18,734.66
  4. Step 4: Simplify right side
    63,107.94x = 1,773,458,136.76
  5. Step 5: Solve for x
    x = 1,773,458,136.76/63,107.94
  6. Step 6: Final answer
    x = 28,101.98

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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.