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Finding the Fourth Proportional to 61,065.48, 91,621.29 and 23,627.80

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Solution

The fourth proportional to 61,065.48, 91,621.29 and 23,627.80 is: 35,450.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,065.48 : 91,621.29 = 23,627.80 : x
  2. Step 2: Convert to fraction form
    61,065.48/91,621.29 = 23,627.80/x
  3. Step 3: Cross multiply
    61,065.48x = 91,621.29 × 23,627.80
  4. Step 4: Simplify right side
    61,065.48x = 2,164,809,619.31
  5. Step 5: Solve for x
    x = 2,164,809,619.31/61,065.48
  6. Step 6: Final answer
    x = 35,450.63

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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.