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Finding the Fourth Proportional to 17,883.80, 26,835.30 and 7,496.60

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Solution

The fourth proportional to 17,883.80, 26,835.30 and 7,496.60 is: 11,248.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,883.80 : 26,835.30 = 7,496.60 : x
  2. Step 2: Convert to fraction form
    17,883.80/26,835.30 = 7,496.60/x
  3. Step 3: Cross multiply
    17,883.80x = 26,835.30 × 7,496.60
  4. Step 4: Simplify right side
    17,883.80x = 201,173,509.98
  5. Step 5: Solve for x
    x = 201,173,509.98/17,883.80
  6. Step 6: Final answer
    x = 11,248.92

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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.