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Finding the Fourth Proportional to 17,363.68, 23,963.36 and 9,811.40

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Solution

The fourth proportional to 17,363.68, 23,963.36 and 9,811.40 is: 13,540.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,363.68 : 23,963.36 = 9,811.40 : x
  2. Step 2: Convert to fraction form
    17,363.68/23,963.36 = 9,811.40/x
  3. Step 3: Cross multiply
    17,363.68x = 23,963.36 × 9,811.40
  4. Step 4: Simplify right side
    17,363.68x = 235,114,110.30
  5. Step 5: Solve for x
    x = 235,114,110.30/17,363.68
  6. Step 6: Final answer
    x = 13,540.57

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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.