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Finding the Fourth Proportional to 67,438.49, 101,170.74 and 25,882.25

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Solution

The fourth proportional to 67,438.49, 101,170.74 and 25,882.25 is: 38,828.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,438.49 : 101,170.74 = 25,882.25 : x
  2. Step 2: Convert to fraction form
    67,438.49/101,170.74 = 25,882.25/x
  3. Step 3: Cross multiply
    67,438.49x = 101,170.74 × 25,882.25
  4. Step 4: Simplify right side
    67,438.49x = 2,618,526,385.37
  5. Step 5: Solve for x
    x = 2,618,526,385.37/67,438.49
  6. Step 6: Final answer
    x = 38,828.37

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1.5x scale

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.