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Finding the Fourth Proportional to 17,376.83, 23,980.04 and 9,419.04

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Solution

The fourth proportional to 17,376.83, 23,980.04 and 9,419.04 is: 12,998.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,376.83 : 23,980.04 = 9,419.04 : x
  2. Step 2: Convert to fraction form
    17,376.83/23,980.04 = 9,419.04/x
  3. Step 3: Cross multiply
    17,376.83x = 23,980.04 × 9,419.04
  4. Step 4: Simplify right side
    17,376.83x = 225,868,908.87
  5. Step 5: Solve for x
    x = 225,868,908.87/17,376.83
  6. Step 6: Final answer
    x = 12,998.28

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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.