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Finding the Fourth Proportional to 41,666.62, 62,504.80 and 14,640.67

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Solution

The fourth proportional to 41,666.62, 62,504.80 and 14,640.67 is: 21,962.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,666.62 : 62,504.80 = 14,640.67 : x
  2. Step 2: Convert to fraction form
    41,666.62/62,504.80 = 14,640.67/x
  3. Step 3: Cross multiply
    41,666.62x = 62,504.80 × 14,640.67
  4. Step 4: Simplify right side
    41,666.62x = 915,112,150.22
  5. Step 5: Solve for x
    x = 915,112,150.22/41,666.62
  6. Step 6: Final answer
    x = 21,962.72

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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.