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Finding the Fourth Proportional to 66,481.26, 99,487.80 and 41,533.07

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Solution

The fourth proportional to 66,481.26, 99,487.80 and 41,533.07 is: 62,153.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,481.26 : 99,487.80 = 41,533.07 : x
  2. Step 2: Convert to fraction form
    66,481.26/99,487.80 = 41,533.07/x
  3. Step 3: Cross multiply
    66,481.26x = 99,487.80 × 41,533.07
  4. Step 4: Simplify right side
    66,481.26x = 4,132,033,264.11
  5. Step 5: Solve for x
    x = 4,132,033,264.11/66,481.26
  6. Step 6: Final answer
    x = 62,153.35

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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.