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Finding the Fourth Proportional to 63,145.52, 94,733.87 and 18,772.08

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Solution

The fourth proportional to 63,145.52, 94,733.87 and 18,772.08 is: 28,162.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,145.52 : 94,733.87 = 18,772.08 : x
  2. Step 2: Convert to fraction form
    63,145.52/94,733.87 = 18,772.08/x
  3. Step 3: Cross multiply
    63,145.52x = 94,733.87 × 18,772.08
  4. Step 4: Simplify right side
    63,145.52x = 1,778,351,786.35
  5. Step 5: Solve for x
    x = 1,778,351,786.35/63,145.52
  6. Step 6: Final answer
    x = 28,162.75

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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.