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Finding the Fourth Proportional to 18,111.84, 27,035.84 and 16,776.26

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Solution

The fourth proportional to 18,111.84, 27,035.84 and 16,776.26 is: 25,042.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111.84 : 27,035.84 = 16,776.26 : x
  2. Step 2: Convert to fraction form
    18,111.84/27,035.84 = 16,776.26/x
  3. Step 3: Cross multiply
    18,111.84x = 27,035.84 × 16,776.26
  4. Step 4: Simplify right side
    18,111.84x = 453,560,303.73
  5. Step 5: Solve for x
    x = 453,560,303.73/18,111.84
  6. Step 6: Final answer
    x = 25,042.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.