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Finding the Fourth Proportional to 16,991.10, 23,446.04 and 9,437.04

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Solution

The fourth proportional to 16,991.10, 23,446.04 and 9,437.04 is: 13,022.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.10 : 23,446.04 = 9,437.04 : x
  2. Step 2: Convert to fraction form
    16,991.10/23,446.04 = 9,437.04/x
  3. Step 3: Cross multiply
    16,991.10x = 23,446.04 × 9,437.04
  4. Step 4: Simplify right side
    16,991.10x = 221,261,170.14
  5. Step 5: Solve for x
    x = 221,261,170.14/16,991.10
  6. Step 6: Final answer
    x = 13,022.18

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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.