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Finding the Fourth Proportional to 17,718.57, 26,577.87 and 8,941.41

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Solution

The fourth proportional to 17,718.57, 26,577.87 and 8,941.41 is: 13,412.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,718.57 : 26,577.87 = 8,941.41 : x
  2. Step 2: Convert to fraction form
    17,718.57/26,577.87 = 8,941.41/x
  3. Step 3: Cross multiply
    17,718.57x = 26,577.87 × 8,941.41
  4. Step 4: Simplify right side
    17,718.57x = 237,643,632.60
  5. Step 5: Solve for x
    x = 237,643,632.60/17,718.57
  6. Step 6: Final answer
    x = 13,412.12

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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.