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Finding the Fourth Proportional to 56,228.40, 84,342.60 and 35,233.20

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Solution

The fourth proportional to 56,228.40, 84,342.60 and 35,233.20 is: 52,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,228.40 : 84,342.60 = 35,233.20 : x
  2. Step 2: Convert to fraction form
    56,228.40/84,342.60 = 35,233.20/x
  3. Step 3: Cross multiply
    56,228.40x = 84,342.60 × 35,233.20
  4. Step 4: Simplify right side
    56,228.40x = 2,971,659,694.32
  5. Step 5: Solve for x
    x = 2,971,659,694.32/56,228.40
  6. Step 6: Final answer
    x = 52,849.80

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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.