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Finding the Fourth Proportional to 61,350.30, 91,971.45 and 41,564.70

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Solution

The fourth proportional to 61,350.30, 91,971.45 and 41,564.70 is: 62,310.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,350.30 : 91,971.45 = 41,564.70 : x
  2. Step 2: Convert to fraction form
    61,350.30/91,971.45 = 41,564.70/x
  3. Step 3: Cross multiply
    61,350.30x = 91,971.45 × 41,564.70
  4. Step 4: Simplify right side
    61,350.30x = 3,822,765,727.82
  5. Step 5: Solve for x
    x = 3,822,765,727.82/61,350.30
  6. Step 6: Final answer
    x = 62,310.47

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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.