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Finding the Fourth Proportional to 35,228.96, 52,843.76 and 28,191.48

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Solution

The fourth proportional to 35,228.96, 52,843.76 and 28,191.48 is: 42,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,228.96 : 52,843.76 = 28,191.48 : x
  2. Step 2: Convert to fraction form
    35,228.96/52,843.76 = 28,191.48/x
  3. Step 3: Cross multiply
    35,228.96x = 52,843.76 × 28,191.48
  4. Step 4: Simplify right side
    35,228.96x = 1,489,743,803.16
  5. Step 5: Solve for x
    x = 1,489,743,803.16/35,228.96
  6. Step 6: Final answer
    x = 42,287.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.