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Finding the Fourth Proportional to 17,371.19, 23,972.94 and 9,818.44

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Solution

The fourth proportional to 17,371.19, 23,972.94 and 9,818.44 is: 13,549.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,371.19 : 23,972.94 = 9,818.44 : x
  2. Step 2: Convert to fraction form
    17,371.19/23,972.94 = 9,818.44/x
  3. Step 3: Cross multiply
    17,371.19x = 23,972.94 × 9,818.44
  4. Step 4: Simplify right side
    17,371.19x = 235,376,813.08
  5. Step 5: Solve for x
    x = 235,376,813.08/17,371.19
  6. Step 6: Final answer
    x = 13,549.84

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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.