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Finding the Fourth Proportional to 36,014.80, 54,022.20 and 9,722.20

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Solution

The fourth proportional to 36,014.80, 54,022.20 and 9,722.20 is: 14,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,014.80 : 54,022.20 = 9,722.20 : x
  2. Step 2: Convert to fraction form
    36,014.80/54,022.20 = 9,722.20/x
  3. Step 3: Cross multiply
    36,014.80x = 54,022.20 × 9,722.20
  4. Step 4: Simplify right side
    36,014.80x = 525,214,632.84
  5. Step 5: Solve for x
    x = 525,214,632.84/36,014.80
  6. Step 6: Final answer
    x = 14,583.30

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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.