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Finding the Fourth Proportional to 45,435, 62,699.63 and 25,291.85

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Solution

The fourth proportional to 45,435, 62,699.63 and 25,291.85 is: 34,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,435 : 62,699.63 = 25,291.85 : x
  2. Step 2: Convert to fraction form
    45,435/62,699.63 = 25,291.85/x
  3. Step 3: Cross multiply
    45,435x = 62,699.63 × 25,291.85
  4. Step 4: Simplify right side
    45,435x = 1,585,789,197.06
  5. Step 5: Solve for x
    x = 1,585,789,197.06/45,435
  6. Step 6: Final answer
    x = 34,902.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.