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Finding the Fourth Proportional to 17,703.30, 26,556.30 and 4,555.80

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Solution

The fourth proportional to 17,703.30, 26,556.30 and 4,555.80 is: 6,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,703.30 : 26,556.30 = 4,555.80 : x
  2. Step 2: Convert to fraction form
    17,703.30/26,556.30 = 4,555.80/x
  3. Step 3: Cross multiply
    17,703.30x = 26,556.30 × 4,555.80
  4. Step 4: Simplify right side
    17,703.30x = 120,985,191.54
  5. Step 5: Solve for x
    x = 120,985,191.54/17,703.30
  6. Step 6: Final answer
    x = 6,834.05

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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.