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Finding the Fourth Proportional to 45,373.20, 68,059.80 and 23,179.20

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Solution

The fourth proportional to 45,373.20, 68,059.80 and 23,179.20 is: 34,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,373.20 : 68,059.80 = 23,179.20 : x
  2. Step 2: Convert to fraction form
    45,373.20/68,059.80 = 23,179.20/x
  3. Step 3: Cross multiply
    45,373.20x = 68,059.80 × 23,179.20
  4. Step 4: Simplify right side
    45,373.20x = 1,577,571,716.16
  5. Step 5: Solve for x
    x = 1,577,571,716.16/45,373.20
  6. Step 6: Final answer
    x = 34,768.80

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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.