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Finding the Fourth Proportional to 17,703.53, 26,394.78 and 17,241.83

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Solution

The fourth proportional to 17,703.53, 26,394.78 and 17,241.83 is: 25,706.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,703.53 : 26,394.78 = 17,241.83 : x
  2. Step 2: Convert to fraction form
    17,703.53/26,394.78 = 17,241.83/x
  3. Step 3: Cross multiply
    17,703.53x = 26,394.78 × 17,241.83
  4. Step 4: Simplify right side
    17,703.53x = 455,094,309.65
  5. Step 5: Solve for x
    x = 455,094,309.65/17,703.53
  6. Step 6: Final answer
    x = 25,706.42

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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.