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Finding the Fourth Proportional to 36,581.16, 54,866.07 and 11,617.95

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Solution

The fourth proportional to 36,581.16, 54,866.07 and 11,617.95 is: 17,425.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,581.16 : 54,866.07 = 11,617.95 : x
  2. Step 2: Convert to fraction form
    36,581.16/54,866.07 = 11,617.95/x
  3. Step 3: Cross multiply
    36,581.16x = 54,866.07 × 11,617.95
  4. Step 4: Simplify right side
    36,581.16x = 637,431,257.96
  5. Step 5: Solve for x
    x = 637,431,257.96/36,581.16
  6. Step 6: Final answer
    x = 17,425.12

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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.