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Finding the Fourth Proportional to 52,274.57, 72,123 and 29,609.96

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Solution

The fourth proportional to 52,274.57, 72,123 and 29,609.96 is: 40,852.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,274.57 : 72,123 = 29,609.96 : x
  2. Step 2: Convert to fraction form
    52,274.57/72,123 = 29,609.96/x
  3. Step 3: Cross multiply
    52,274.57x = 72,123 × 29,609.96
  4. Step 4: Simplify right side
    52,274.57x = 2,135,558,784.47
  5. Step 5: Solve for x
    x = 2,135,558,784.47/52,274.57
  6. Step 6: Final answer
    x = 40,852.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.