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Finding the Fourth Proportional to 56,558.77, 84,824.12 and 19,118.03

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Solution

The fourth proportional to 56,558.77, 84,824.12 and 19,118.03 is: 28,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,558.77 : 84,824.12 = 19,118.03 : x
  2. Step 2: Convert to fraction form
    56,558.77/84,824.12 = 19,118.03/x
  3. Step 3: Cross multiply
    56,558.77x = 84,824.12 × 19,118.03
  4. Step 4: Simplify right side
    56,558.77x = 1,621,669,694.56
  5. Step 5: Solve for x
    x = 1,621,669,694.56/56,558.77
  6. Step 6: Final answer
    x = 28,672.30

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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.