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Finding the Fourth Proportional to 56,356.28, 84,548.48 and 16,914.12

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Solution

The fourth proportional to 56,356.28, 84,548.48 and 16,914.12 is: 25,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,356.28 : 84,548.48 = 16,914.12 : x
  2. Step 2: Convert to fraction form
    56,356.28/84,548.48 = 16,914.12/x
  3. Step 3: Cross multiply
    56,356.28x = 84,548.48 × 16,914.12
  4. Step 4: Simplify right side
    56,356.28x = 1,430,063,136.54
  5. Step 5: Solve for x
    x = 1,430,063,136.54/56,356.28
  6. Step 6: Final answer
    x = 25,375.40

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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.