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Finding the Fourth Proportional to 17,903.38, 26,857.80 and 9,133.51

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Solution

The fourth proportional to 17,903.38, 26,857.80 and 9,133.51 is: 13,701.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,903.38 : 26,857.80 = 9,133.51 : x
  2. Step 2: Convert to fraction form
    17,903.38/26,857.80 = 9,133.51/x
  3. Step 3: Cross multiply
    17,903.38x = 26,857.80 × 9,133.51
  4. Step 4: Simplify right side
    17,903.38x = 245,305,984.88
  5. Step 5: Solve for x
    x = 245,305,984.88/17,903.38
  6. Step 6: Final answer
    x = 13,701.66

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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.