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Finding the Fourth Proportional to 17,869.13, 26,801.79 and 7,340.24

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Solution

The fourth proportional to 17,869.13, 26,801.79 and 7,340.24 is: 11,009.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,869.13 : 26,801.79 = 7,340.24 : x
  2. Step 2: Convert to fraction form
    17,869.13/26,801.79 = 7,340.24/x
  3. Step 3: Cross multiply
    17,869.13x = 26,801.79 × 7,340.24
  4. Step 4: Simplify right side
    17,869.13x = 196,731,571.03
  5. Step 5: Solve for x
    x = 196,731,571.03/17,869.13
  6. Step 6: Final answer
    x = 11,009.58

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1.5x scale

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.