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Finding the Fourth Proportional to 41,665.40, 62,485.70 and 22,687

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Solution

The fourth proportional to 41,665.40, 62,485.70 and 22,687 is: 34,023.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,665.40 : 62,485.70 = 22,687 : x
  2. Step 2: Convert to fraction form
    41,665.40/62,485.70 = 22,687/x
  3. Step 3: Cross multiply
    41,665.40x = 62,485.70 × 22,687
  4. Step 4: Simplify right side
    41,665.40x = 1,417,613,075.90
  5. Step 5: Solve for x
    x = 1,417,613,075.90/41,665.40
  6. Step 6: Final answer
    x = 34,023.75

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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.