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Finding the Fourth Proportional to 74,495.25, 111,792.09 and 35,063.64

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Solution

The fourth proportional to 74,495.25, 111,792.09 and 35,063.64 is: 52,618.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,495.25 : 111,792.09 = 35,063.64 : x
  2. Step 2: Convert to fraction form
    74,495.25/111,792.09 = 35,063.64/x
  3. Step 3: Cross multiply
    74,495.25x = 111,792.09 × 35,063.64
  4. Step 4: Simplify right side
    74,495.25x = 3,919,837,598.61
  5. Step 5: Solve for x
    x = 3,919,837,598.61/74,495.25
  6. Step 6: Final answer
    x = 52,618.62

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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.