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Finding the Fourth Proportional to 67,573.06, 101,371.11 and 20,824.90

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Solution

The fourth proportional to 67,573.06, 101,371.11 and 20,824.90 is: 31,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,573.06 : 101,371.11 = 20,824.90 : x
  2. Step 2: Convert to fraction form
    67,573.06/101,371.11 = 20,824.90/x
  3. Step 3: Cross multiply
    67,573.06x = 101,371.11 × 20,824.90
  4. Step 4: Simplify right side
    67,573.06x = 2,111,043,228.64
  5. Step 5: Solve for x
    x = 2,111,043,228.64/67,573.06
  6. Step 6: Final answer
    x = 31,240.90

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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.