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Finding the Fourth Proportional to 56,581.98, 84,756.33 and 33,137.34

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Solution

The fourth proportional to 56,581.98, 84,756.33 and 33,137.34 is: 49,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,581.98 : 84,756.33 = 33,137.34 : x
  2. Step 2: Convert to fraction form
    56,581.98/84,756.33 = 33,137.34/x
  3. Step 3: Cross multiply
    56,581.98x = 84,756.33 × 33,137.34
  4. Step 4: Simplify right side
    56,581.98x = 2,808,599,324.36
  5. Step 5: Solve for x
    x = 2,808,599,324.36/56,581.98
  6. Step 6: Final answer
    x = 49,637.70

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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.