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Finding the Fourth Proportional to 65,837.80, 98,562.82 and 40,797.36

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Solution

The fourth proportional to 65,837.80, 98,562.82 and 40,797.36 is: 61,075.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,837.80 : 98,562.82 = 40,797.36 : x
  2. Step 2: Convert to fraction form
    65,837.80/98,562.82 = 40,797.36/x
  3. Step 3: Cross multiply
    65,837.80x = 98,562.82 × 40,797.36
  4. Step 4: Simplify right side
    65,837.80x = 4,021,102,850.16
  5. Step 5: Solve for x
    x = 4,021,102,850.16/65,837.80
  6. Step 6: Final answer
    x = 61,075.90

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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.