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Finding the Fourth Proportional to 18,562.82, 25,603.82 and 11,485.04

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Solution

The fourth proportional to 18,562.82, 25,603.82 and 11,485.04 is: 15,841.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562.82 : 25,603.82 = 11,485.04 : x
  2. Step 2: Convert to fraction form
    18,562.82/25,603.82 = 11,485.04/x
  3. Step 3: Cross multiply
    18,562.82x = 25,603.82 × 11,485.04
  4. Step 4: Simplify right side
    18,562.82x = 294,060,896.85
  5. Step 5: Solve for x
    x = 294,060,896.85/18,562.82
  6. Step 6: Final answer
    x = 15,841.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.