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Finding the Fourth Proportional to 68,897.65, 95,075.65 and 38,682.43

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Solution

The fourth proportional to 68,897.65, 95,075.65 and 38,682.43 is: 53,380.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,897.65 : 95,075.65 = 38,682.43 : x
  2. Step 2: Convert to fraction form
    68,897.65/95,075.65 = 38,682.43/x
  3. Step 3: Cross multiply
    68,897.65x = 95,075.65 × 38,682.43
  4. Step 4: Simplify right side
    68,897.65x = 3,677,757,175.83
  5. Step 5: Solve for x
    x = 3,677,757,175.83/68,897.65
  6. Step 6: Final answer
    x = 53,380.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.