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Finding the Fourth Proportional to 17,903.32, 26,857.86 and 7,518.04

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Solution

The fourth proportional to 17,903.32, 26,857.86 and 7,518.04 is: 11,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,903.32 : 26,857.86 = 7,518.04 : x
  2. Step 2: Convert to fraction form
    17,903.32/26,857.86 = 7,518.04/x
  3. Step 3: Cross multiply
    17,903.32x = 26,857.86 × 7,518.04
  4. Step 4: Simplify right side
    17,903.32x = 201,918,465.79
  5. Step 5: Solve for x
    x = 201,918,465.79/17,903.32
  6. Step 6: Final answer
    x = 11,278.27

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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.