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Finding the Fourth Proportional to 17,725.74, 26,449.74 and 15,864.06

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Solution

The fourth proportional to 17,725.74, 26,449.74 and 15,864.06 is: 23,671.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,725.74 : 26,449.74 = 15,864.06 : x
  2. Step 2: Convert to fraction form
    17,725.74/26,449.74 = 15,864.06/x
  3. Step 3: Cross multiply
    17,725.74x = 26,449.74 × 15,864.06
  4. Step 4: Simplify right side
    17,725.74x = 419,600,262.34
  5. Step 5: Solve for x
    x = 419,600,262.34/17,725.74
  6. Step 6: Final answer
    x = 23,671.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.