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Finding the Fourth Proportional to 36,679.99, 55,019.99 and 10,384.96

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Solution

The fourth proportional to 36,679.99, 55,019.99 and 10,384.96 is: 15,577.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,679.99 : 55,019.99 = 10,384.96 : x
  2. Step 2: Convert to fraction form
    36,679.99/55,019.99 = 10,384.96/x
  3. Step 3: Cross multiply
    36,679.99x = 55,019.99 × 10,384.96
  4. Step 4: Simplify right side
    36,679.99x = 571,380,395.35
  5. Step 5: Solve for x
    x = 571,380,395.35/36,679.99
  6. Step 6: Final answer
    x = 15,577.44

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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.