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Finding the Fourth Proportional to 56,589.98, 84,768.33 and 33,145.34

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Solution

The fourth proportional to 56,589.98, 84,768.33 and 33,145.34 is: 49,649.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,589.98 : 84,768.33 = 33,145.34 : x
  2. Step 2: Convert to fraction form
    56,589.98/84,768.33 = 33,145.34/x
  3. Step 3: Cross multiply
    56,589.98x = 84,768.33 × 33,145.34
  4. Step 4: Simplify right side
    56,589.98x = 2,809,675,119.08
  5. Step 5: Solve for x
    x = 2,809,675,119.08/56,589.98
  6. Step 6: Final answer
    x = 49,649.69

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1.5x scale

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.