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Finding the Fourth Proportional to 8,573.37, 12,859.25 and 3,026.45

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Solution

The fourth proportional to 8,573.37, 12,859.25 and 3,026.45 is: 4,539.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,573.37 : 12,859.25 = 3,026.45 : x
  2. Step 2: Convert to fraction form
    8,573.37/12,859.25 = 3,026.45/x
  3. Step 3: Cross multiply
    8,573.37x = 12,859.25 × 3,026.45
  4. Step 4: Simplify right side
    8,573.37x = 38,917,797.73
  5. Step 5: Solve for x
    x = 38,917,797.73/8,573.37
  6. Step 6: Final answer
    x = 4,539.38

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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.