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Finding the Fourth Proportional to 17,852.77, 26,744.31 and 8,479.45

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Solution

The fourth proportional to 17,852.77, 26,744.31 and 8,479.45 is: 12,702.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,852.77 : 26,744.31 = 8,479.45 : x
  2. Step 2: Convert to fraction form
    17,852.77/26,744.31 = 8,479.45/x
  3. Step 3: Cross multiply
    17,852.77x = 26,744.31 × 8,479.45
  4. Step 4: Simplify right side
    17,852.77x = 226,777,039.43
  5. Step 5: Solve for x
    x = 226,777,039.43/17,852.77
  6. Step 6: Final answer
    x = 12,702.62

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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.