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Finding the Fourth Proportional to 11,852.73, 17,790.03 and 11,220.12

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Solution

The fourth proportional to 11,852.73, 17,790.03 and 11,220.12 is: 16,840.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.73 : 17,790.03 = 11,220.12 : x
  2. Step 2: Convert to fraction form
    11,852.73/17,790.03 = 11,220.12/x
  3. Step 3: Cross multiply
    11,852.73x = 17,790.03 × 11,220.12
  4. Step 4: Simplify right side
    11,852.73x = 199,606,271.40
  5. Step 5: Solve for x
    x = 199,606,271.40/11,852.73
  6. Step 6: Final answer
    x = 16,840.53

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1.5x scale

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.