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Finding the Fourth Proportional to 56,563.44, 84,845.10 and 14,443.54

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Solution

The fourth proportional to 56,563.44, 84,845.10 and 14,443.54 is: 21,665.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,563.44 : 84,845.10 = 14,443.54 : x
  2. Step 2: Convert to fraction form
    56,563.44/84,845.10 = 14,443.54/x
  3. Step 3: Cross multiply
    56,563.44x = 84,845.10 × 14,443.54
  4. Step 4: Simplify right side
    56,563.44x = 1,225,463,595.65
  5. Step 5: Solve for x
    x = 1,225,463,595.65/56,563.44
  6. Step 6: Final answer
    x = 21,665.29

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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.