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Finding the Fourth Proportional to 63,265.11, 94,914.18 and 18,891.87

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Solution

The fourth proportional to 63,265.11, 94,914.18 and 18,891.87 is: 28,342.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,265.11 : 94,914.18 = 18,891.87 : x
  2. Step 2: Convert to fraction form
    63,265.11/94,914.18 = 18,891.87/x
  3. Step 3: Cross multiply
    63,265.11x = 94,914.18 × 18,891.87
  4. Step 4: Simplify right side
    63,265.11x = 1,793,106,349.72
  5. Step 5: Solve for x
    x = 1,793,106,349.72/63,265.11
  6. Step 6: Final answer
    x = 28,342.74

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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.