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Finding the Fourth Proportional to 18,110.55, 27,101.03 and 16,555.35

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Solution

The fourth proportional to 18,110.55, 27,101.03 and 16,555.35 is: 24,773.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.55 : 27,101.03 = 16,555.35 : x
  2. Step 2: Convert to fraction form
    18,110.55/27,101.03 = 16,555.35/x
  3. Step 3: Cross multiply
    18,110.55x = 27,101.03 × 16,555.35
  4. Step 4: Simplify right side
    18,110.55x = 448,666,954.23
  5. Step 5: Solve for x
    x = 448,666,954.23/18,110.55
  6. Step 6: Final answer
    x = 24,773.79

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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.