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Finding the Fourth Proportional to 36,792.81, 55,189.59 and 19,296.81

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Solution

The fourth proportional to 36,792.81, 55,189.59 and 19,296.81 is: 28,945.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,792.81 : 55,189.59 = 19,296.81 : x
  2. Step 2: Convert to fraction form
    36,792.81/55,189.59 = 19,296.81/x
  3. Step 3: Cross multiply
    36,792.81x = 55,189.59 × 19,296.81
  4. Step 4: Simplify right side
    36,792.81x = 1,064,983,032.21
  5. Step 5: Solve for x
    x = 1,064,983,032.21/36,792.81
  6. Step 6: Final answer
    x = 28,945.41

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Similar ratio
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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.