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Finding the Fourth Proportional to 23,504.70, 35,223.90 and 12,979.46

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Solution

The fourth proportional to 23,504.70, 35,223.90 and 12,979.46 is: 19,450.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,504.70 : 35,223.90 = 12,979.46 : x
  2. Step 2: Convert to fraction form
    23,504.70/35,223.90 = 12,979.46/x
  3. Step 3: Cross multiply
    23,504.70x = 35,223.90 × 12,979.46
  4. Step 4: Simplify right side
    23,504.70x = 457,187,080.59
  5. Step 5: Solve for x
    x = 457,187,080.59/23,504.70
  6. Step 6: Final answer
    x = 19,450.88

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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.