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Finding the Fourth Proportional to 67,458.13, 101,192.09 and 25,905.13

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Solution

The fourth proportional to 67,458.13, 101,192.09 and 25,905.13 is: 38,859.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,458.13 : 101,192.09 = 25,905.13 : x
  2. Step 2: Convert to fraction form
    67,458.13/101,192.09 = 25,905.13/x
  3. Step 3: Cross multiply
    67,458.13x = 101,192.09 × 25,905.13
  4. Step 4: Simplify right side
    67,458.13x = 2,621,394,246.42
  5. Step 5: Solve for x
    x = 2,621,394,246.42/67,458.13
  6. Step 6: Final answer
    x = 38,859.57

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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.