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Finding the Fourth Proportional to 41,266.70, 61,896.45 and 13,564.70

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Solution

The fourth proportional to 41,266.70, 61,896.45 and 13,564.70 is: 20,345.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,266.70 : 61,896.45 = 13,564.70 : x
  2. Step 2: Convert to fraction form
    41,266.70/61,896.45 = 13,564.70/x
  3. Step 3: Cross multiply
    41,266.70x = 61,896.45 × 13,564.70
  4. Step 4: Simplify right side
    41,266.70x = 839,606,775.32
  5. Step 5: Solve for x
    x = 839,606,775.32/41,266.70
  6. Step 6: Final answer
    x = 20,345.87

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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.