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Finding the Fourth Proportional to 52,072.67, 71,859.96 and 28,199.29

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Solution

The fourth proportional to 52,072.67, 71,859.96 and 28,199.29 is: 38,914.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,072.67 : 71,859.96 = 28,199.29 : x
  2. Step 2: Convert to fraction form
    52,072.67/71,859.96 = 28,199.29/x
  3. Step 3: Cross multiply
    52,072.67x = 71,859.96 × 28,199.29
  4. Step 4: Simplify right side
    52,072.67x = 2,026,399,806.52
  5. Step 5: Solve for x
    x = 2,026,399,806.52/52,072.67
  6. Step 6: Final answer
    x = 38,914.84

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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.