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Finding the Fourth Proportional to 48,373.68, 72,516.72 and 17,201.64

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Solution

The fourth proportional to 48,373.68, 72,516.72 and 17,201.64 is: 25,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,373.68 : 72,516.72 = 17,201.64 : x
  2. Step 2: Convert to fraction form
    48,373.68/72,516.72 = 17,201.64/x
  3. Step 3: Cross multiply
    48,373.68x = 72,516.72 × 17,201.64
  4. Step 4: Simplify right side
    48,373.68x = 1,247,406,511.42
  5. Step 5: Solve for x
    x = 1,247,406,511.42/48,373.68
  6. Step 6: Final answer
    x = 25,786.88

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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.