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Finding the Fourth Proportional to 8,262.31, 11,401.80 and 4,725.31

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Solution

The fourth proportional to 8,262.31, 11,401.80 and 4,725.31 is: 6,520.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.31 : 11,401.80 = 4,725.31 : x
  2. Step 2: Convert to fraction form
    8,262.31/11,401.80 = 4,725.31/x
  3. Step 3: Cross multiply
    8,262.31x = 11,401.80 × 4,725.31
  4. Step 4: Simplify right side
    8,262.31x = 53,877,039.56
  5. Step 5: Solve for x
    x = 53,877,039.56/8,262.31
  6. Step 6: Final answer
    x = 6,520.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.