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Finding the Fourth Proportional to 56,996.88, 85,532.04 and 30,719.94

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Solution

The fourth proportional to 56,996.88, 85,532.04 and 30,719.94 is: 46,099.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,996.88 : 85,532.04 = 30,719.94 : x
  2. Step 2: Convert to fraction form
    56,996.88/85,532.04 = 30,719.94/x
  3. Step 3: Cross multiply
    56,996.88x = 85,532.04 × 30,719.94
  4. Step 4: Simplify right side
    56,996.88x = 2,627,539,136.88
  5. Step 5: Solve for x
    x = 2,627,539,136.88/56,996.88
  6. Step 6: Final answer
    x = 46,099.70

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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.