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Finding the Fourth Proportional to 17,957.30, 26,937.77 and 4,811.00

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Solution

The fourth proportional to 17,957.30, 26,937.77 and 4,811.00 is: 7,216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,957.30 : 26,937.77 = 4,811.00 : x
  2. Step 2: Convert to fraction form
    17,957.30/26,937.77 = 4,811.00/x
  3. Step 3: Cross multiply
    17,957.30x = 26,937.77 × 4,811.00
  4. Step 4: Simplify right side
    17,957.30x = 129,597,452.73
  5. Step 5: Solve for x
    x = 129,597,452.73/17,957.30
  6. Step 6: Final answer
    x = 7,216.98

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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.