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Finding the Fourth Proportional to 36,607.67, 54,890.70 and 14,409.01

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Solution

The fourth proportional to 36,607.67, 54,890.70 and 14,409.01 is: 21,605.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,607.67 : 54,890.70 = 14,409.01 : x
  2. Step 2: Convert to fraction form
    36,607.67/54,890.70 = 14,409.01/x
  3. Step 3: Cross multiply
    36,607.67x = 54,890.70 × 14,409.01
  4. Step 4: Simplify right side
    36,607.67x = 790,920,645.21
  5. Step 5: Solve for x
    x = 790,920,645.21/36,607.67
  6. Step 6: Final answer
    x = 21,605.33

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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.