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Finding the Fourth Proportional to 74,237.62, 102,310.54 and 52,728.34

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Solution

The fourth proportional to 74,237.62, 102,310.54 and 52,728.34 is: 72,667.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,237.62 : 102,310.54 = 52,728.34 : x
  2. Step 2: Convert to fraction form
    74,237.62/102,310.54 = 52,728.34/x
  3. Step 3: Cross multiply
    74,237.62x = 102,310.54 × 52,728.34
  4. Step 4: Simplify right side
    74,237.62x = 5,394,664,938.70
  5. Step 5: Solve for x
    x = 5,394,664,938.70/74,237.62
  6. Step 6: Final answer
    x = 72,667.54

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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.