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Finding the Fourth Proportional to 61,202.69, 91,795.39 and 19,644.29

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Solution

The fourth proportional to 61,202.69, 91,795.39 and 19,644.29 is: 29,463.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,202.69 : 91,795.39 = 19,644.29 : x
  2. Step 2: Convert to fraction form
    61,202.69/91,795.39 = 19,644.29/x
  3. Step 3: Cross multiply
    61,202.69x = 91,795.39 × 19,644.29
  4. Step 4: Simplify right side
    61,202.69x = 1,803,254,753.74
  5. Step 5: Solve for x
    x = 1,803,254,753.74/61,202.69
  6. Step 6: Final answer
    x = 29,463.65

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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.