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Finding the Fourth Proportional to 72,567.28, 108,854.97 and 22,654.27

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Solution

The fourth proportional to 72,567.28, 108,854.97 and 22,654.27 is: 33,982.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,567.28 : 108,854.97 = 22,654.27 : x
  2. Step 2: Convert to fraction form
    72,567.28/108,854.97 = 22,654.27/x
  3. Step 3: Cross multiply
    72,567.28x = 108,854.97 × 22,654.27
  4. Step 4: Simplify right side
    72,567.28x = 2,466,029,881.22
  5. Step 5: Solve for x
    x = 2,466,029,881.22/72,567.28
  6. Step 6: Final answer
    x = 33,982.67

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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.