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Finding the Fourth Proportional to 63,238.93, 94,830.14 and 18,853.76

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Solution

The fourth proportional to 63,238.93, 94,830.14 and 18,853.76 is: 28,272.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,238.93 : 94,830.14 = 18,853.76 : x
  2. Step 2: Convert to fraction form
    63,238.93/94,830.14 = 18,853.76/x
  3. Step 3: Cross multiply
    63,238.93x = 94,830.14 × 18,853.76
  4. Step 4: Simplify right side
    63,238.93x = 1,787,904,984.54
  5. Step 5: Solve for x
    x = 1,787,904,984.54/63,238.93
  6. Step 6: Final answer
    x = 28,272.22

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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.