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Finding the Fourth Proportional to 17,612.53, 26,429.53 and 7,080.58

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Solution

The fourth proportional to 17,612.53, 26,429.53 and 7,080.58 is: 10,625.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,612.53 : 26,429.53 = 7,080.58 : x
  2. Step 2: Convert to fraction form
    17,612.53/26,429.53 = 7,080.58/x
  3. Step 3: Cross multiply
    17,612.53x = 26,429.53 × 7,080.58
  4. Step 4: Simplify right side
    17,612.53x = 187,136,251.68
  5. Step 5: Solve for x
    x = 187,136,251.68/17,612.53
  6. Step 6: Final answer
    x = 10,625.18

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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.