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Finding the Fourth Proportional to 17,762.70, 26,658.45 and 17,186.70

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Solution

The fourth proportional to 17,762.70, 26,658.45 and 17,186.70 is: 25,793.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,762.70 : 26,658.45 = 17,186.70 : x
  2. Step 2: Convert to fraction form
    17,762.70/26,658.45 = 17,186.70/x
  3. Step 3: Cross multiply
    17,762.70x = 26,658.45 × 17,186.70
  4. Step 4: Simplify right side
    17,762.70x = 458,170,782.62
  5. Step 5: Solve for x
    x = 458,170,782.62/17,762.70
  6. Step 6: Final answer
    x = 25,793.98

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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.