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Finding the Fourth Proportional to 17,291.95, 25,933.77 and 7,926.12

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Solution

The fourth proportional to 17,291.95, 25,933.77 and 7,926.12 is: 11,887.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,291.95 : 25,933.77 = 7,926.12 : x
  2. Step 2: Convert to fraction form
    17,291.95/25,933.77 = 7,926.12/x
  3. Step 3: Cross multiply
    17,291.95x = 25,933.77 × 7,926.12
  4. Step 4: Simplify right side
    17,291.95x = 205,554,173.07
  5. Step 5: Solve for x
    x = 205,554,173.07/17,291.95
  6. Step 6: Final answer
    x = 11,887.28

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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.