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Finding the Fourth Proportional to 17,782.80, 26,674.20 and 14,866.80

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Solution

The fourth proportional to 17,782.80, 26,674.20 and 14,866.80 is: 22,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,782.80 : 26,674.20 = 14,866.80 : x
  2. Step 2: Convert to fraction form
    17,782.80/26,674.20 = 14,866.80/x
  3. Step 3: Cross multiply
    17,782.80x = 26,674.20 × 14,866.80
  4. Step 4: Simplify right side
    17,782.80x = 396,559,996.56
  5. Step 5: Solve for x
    x = 396,559,996.56/17,782.80
  6. Step 6: Final answer
    x = 22,300.20

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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.