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Finding the Fourth Proportional to 53,986.28, 80,813.28 and 35,225.96

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Solution

The fourth proportional to 53,986.28, 80,813.28 and 35,225.96 is: 52,730.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,986.28 : 80,813.28 = 35,225.96 : x
  2. Step 2: Convert to fraction form
    53,986.28/80,813.28 = 35,225.96/x
  3. Step 3: Cross multiply
    53,986.28x = 80,813.28 × 35,225.96
  4. Step 4: Simplify right side
    53,986.28x = 2,846,725,368.75
  5. Step 5: Solve for x
    x = 2,846,725,368.75/53,986.28
  6. Step 6: Final answer
    x = 52,730.53

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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.