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Finding the Fourth Proportional to 67,288.34, 100,935.30 and 25,164.20

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Solution

The fourth proportional to 67,288.34, 100,935.30 and 25,164.20 is: 37,747.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,288.34 : 100,935.30 = 25,164.20 : x
  2. Step 2: Convert to fraction form
    67,288.34/100,935.30 = 25,164.20/x
  3. Step 3: Cross multiply
    67,288.34x = 100,935.30 × 25,164.20
  4. Step 4: Simplify right side
    67,288.34x = 2,539,956,076.26
  5. Step 5: Solve for x
    x = 2,539,956,076.26/67,288.34
  6. Step 6: Final answer
    x = 37,747.34

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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.