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Finding the Fourth Proportional to 55,447.61, 83,162.50 and 15,467.63

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Solution

The fourth proportional to 55,447.61, 83,162.50 and 15,467.63 is: 23,198.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,447.61 : 83,162.50 = 15,467.63 : x
  2. Step 2: Convert to fraction form
    55,447.61/83,162.50 = 15,467.63/x
  3. Step 3: Cross multiply
    55,447.61x = 83,162.50 × 15,467.63
  4. Step 4: Simplify right side
    55,447.61x = 1,286,326,325.39
  5. Step 5: Solve for x
    x = 1,286,326,325.39/55,447.61
  6. Step 6: Final answer
    x = 23,198.95

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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.