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Finding the Fourth Proportional to 63,200.70, 94,800.24 and 18,858.06

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Solution

The fourth proportional to 63,200.70, 94,800.24 and 18,858.06 is: 28,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,200.70 : 94,800.24 = 18,858.06 : x
  2. Step 2: Convert to fraction form
    63,200.70/94,800.24 = 18,858.06/x
  3. Step 3: Cross multiply
    63,200.70x = 94,800.24 × 18,858.06
  4. Step 4: Simplify right side
    63,200.70x = 1,787,748,613.93
  5. Step 5: Solve for x
    x = 1,787,748,613.93/63,200.70
  6. Step 6: Final answer
    x = 28,286.85

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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.