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Finding the Fourth Proportional to 63,172.68, 94,747.62 and 16,422.68

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Solution

The fourth proportional to 63,172.68, 94,747.62 and 16,422.68 is: 24,631.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,172.68 : 94,747.62 = 16,422.68 : x
  2. Step 2: Convert to fraction form
    63,172.68/94,747.62 = 16,422.68/x
  3. Step 3: Cross multiply
    63,172.68x = 94,747.62 × 16,422.68
  4. Step 4: Simplify right side
    63,172.68x = 1,556,009,844.02
  5. Step 5: Solve for x
    x = 1,556,009,844.02/63,172.68
  6. Step 6: Final answer
    x = 24,631.06

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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.