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Finding the Fourth Proportional to 17,776, 26,668.32 and 5,464

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Solution

The fourth proportional to 17,776, 26,668.32 and 5,464 is: 8,197.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,776 : 26,668.32 = 5,464 : x
  2. Step 2: Convert to fraction form
    17,776/26,668.32 = 5,464/x
  3. Step 3: Cross multiply
    17,776x = 26,668.32 × 5,464
  4. Step 4: Simplify right side
    17,776x = 145,715,700.48
  5. Step 5: Solve for x
    x = 145,715,700.48/17,776
  6. Step 6: Final answer
    x = 8,197.33

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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.