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Finding the Fourth Proportional to 67,001.34, 100,516.59 and 20,253

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Solution

The fourth proportional to 67,001.34, 100,516.59 and 20,253 is: 30,383.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,001.34 : 100,516.59 = 20,253 : x
  2. Step 2: Convert to fraction form
    67,001.34/100,516.59 = 20,253/x
  3. Step 3: Cross multiply
    67,001.34x = 100,516.59 × 20,253
  4. Step 4: Simplify right side
    67,001.34x = 2,035,762,497.27
  5. Step 5: Solve for x
    x = 2,035,762,497.27/67,001.34
  6. Step 6: Final answer
    x = 30,383.91

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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.