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Finding the Fourth Proportional to 36,752.96, 55,059.89 and 21,715.11

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Solution

The fourth proportional to 36,752.96, 55,059.89 and 21,715.11 is: 32,531.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,752.96 : 55,059.89 = 21,715.11 : x
  2. Step 2: Convert to fraction form
    36,752.96/55,059.89 = 21,715.11/x
  3. Step 3: Cross multiply
    36,752.96x = 55,059.89 × 21,715.11
  4. Step 4: Simplify right side
    36,752.96x = 1,195,631,459.36
  5. Step 5: Solve for x
    x = 1,195,631,459.36/36,752.96
  6. Step 6: Final answer
    x = 32,531.57

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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.