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Finding the Fourth Proportional to 67,380.75, 101,075.99 and 25,827.75

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Solution

The fourth proportional to 67,380.75, 101,075.99 and 25,827.75 is: 38,743.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,380.75 : 101,075.99 = 25,827.75 : x
  2. Step 2: Convert to fraction form
    67,380.75/101,075.99 = 25,827.75/x
  3. Step 3: Cross multiply
    67,380.75x = 101,075.99 × 25,827.75
  4. Step 4: Simplify right side
    67,380.75x = 2,610,565,271.58
  5. Step 5: Solve for x
    x = 2,610,565,271.58/67,380.75
  6. Step 6: Final answer
    x = 38,743.49

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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.