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Finding the Fourth Proportional to 11,089.80, 16,634.70 and 4,852.80

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Solution

The fourth proportional to 11,089.80, 16,634.70 and 4,852.80 is: 7,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.80 : 16,634.70 = 4,852.80 : x
  2. Step 2: Convert to fraction form
    11,089.80/16,634.70 = 4,852.80/x
  3. Step 3: Cross multiply
    11,089.80x = 16,634.70 × 4,852.80
  4. Step 4: Simplify right side
    11,089.80x = 80,724,872.16
  5. Step 5: Solve for x
    x = 80,724,872.16/11,089.80
  6. Step 6: Final answer
    x = 7,279.20

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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.