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Finding the Fourth Proportional to 16,674.80, 25,012.20 and 11,110.10

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Solution

The fourth proportional to 16,674.80, 25,012.20 and 11,110.10 is: 16,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,674.80 : 25,012.20 = 11,110.10 : x
  2. Step 2: Convert to fraction form
    16,674.80/25,012.20 = 11,110.10/x
  3. Step 3: Cross multiply
    16,674.80x = 25,012.20 × 11,110.10
  4. Step 4: Simplify right side
    16,674.80x = 277,888,043.22
  5. Step 5: Solve for x
    x = 277,888,043.22/16,674.80
  6. Step 6: Final answer
    x = 16,665.15

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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.