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Finding the Fourth Proportional to 3,573.46, 5,359.73 and 1,108.22

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Solution

The fourth proportional to 3,573.46, 5,359.73 and 1,108.22 is: 1,662.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.46 : 5,359.73 = 1,108.22 : x
  2. Step 2: Convert to fraction form
    3,573.46/5,359.73 = 1,108.22/x
  3. Step 3: Cross multiply
    3,573.46x = 5,359.73 × 1,108.22
  4. Step 4: Simplify right side
    3,573.46x = 5,939,776.15
  5. Step 5: Solve for x
    x = 5,939,776.15/3,573.46
  6. Step 6: Final answer
    x = 1,662.19

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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.