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Finding the Fourth Proportional to 53,773.40, 80,658.27 and 20,492.25

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Solution

The fourth proportional to 53,773.40, 80,658.27 and 20,492.25 is: 30,737.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,773.40 : 80,658.27 = 20,492.25 : x
  2. Step 2: Convert to fraction form
    53,773.40/80,658.27 = 20,492.25/x
  3. Step 3: Cross multiply
    53,773.40x = 80,658.27 × 20,492.25
  4. Step 4: Simplify right side
    53,773.40x = 1,652,869,433.41
  5. Step 5: Solve for x
    x = 1,652,869,433.41/53,773.40
  6. Step 6: Final answer
    x = 30,737.68

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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.