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Finding the Fourth Proportional to 36,288.99, 54,419.49 and 14,099.45

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Solution

The fourth proportional to 36,288.99, 54,419.49 and 14,099.45 is: 21,143.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,288.99 : 54,419.49 = 14,099.45 : x
  2. Step 2: Convert to fraction form
    36,288.99/54,419.49 = 14,099.45/x
  3. Step 3: Cross multiply
    36,288.99x = 54,419.49 × 14,099.45
  4. Step 4: Simplify right side
    36,288.99x = 767,284,606.18
  5. Step 5: Solve for x
    x = 767,284,606.18/36,288.99
  6. Step 6: Final answer
    x = 21,143.73

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Double scale
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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.