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Finding the Fourth Proportional to 47,300.20, 70,982.70 and 26,240.20

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Solution

The fourth proportional to 47,300.20, 70,982.70 and 26,240.20 is: 39,378.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,300.20 : 70,982.70 = 26,240.20 : x
  2. Step 2: Convert to fraction form
    47,300.20/70,982.70 = 26,240.20/x
  3. Step 3: Cross multiply
    47,300.20x = 70,982.70 × 26,240.20
  4. Step 4: Simplify right side
    47,300.20x = 1,862,600,244.54
  5. Step 5: Solve for x
    x = 1,862,600,244.54/47,300.20
  6. Step 6: Final answer
    x = 39,378.27

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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.