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Finding the Fourth Proportional to 17,617.77, 24,284.93 and 13,351.77

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Solution

The fourth proportional to 17,617.77, 24,284.93 and 13,351.77 is: 18,404.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,617.77 : 24,284.93 = 13,351.77 : x
  2. Step 2: Convert to fraction form
    17,617.77/24,284.93 = 13,351.77/x
  3. Step 3: Cross multiply
    17,617.77x = 24,284.93 × 13,351.77
  4. Step 4: Simplify right side
    17,617.77x = 324,246,733.07
  5. Step 5: Solve for x
    x = 324,246,733.07/17,617.77
  6. Step 6: Final answer
    x = 18,404.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.