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Finding the Fourth Proportional to 5,666.72, 8,495.04 and 2,201.60

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Solution

The fourth proportional to 5,666.72, 8,495.04 and 2,201.60 is: 3,300.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.72 : 8,495.04 = 2,201.60 : x
  2. Step 2: Convert to fraction form
    5,666.72/8,495.04 = 2,201.60/x
  3. Step 3: Cross multiply
    5,666.72x = 8,495.04 × 2,201.60
  4. Step 4: Simplify right side
    5,666.72x = 18,702,680.06
  5. Step 5: Solve for x
    x = 18,702,680.06/5,666.72
  6. Step 6: Final answer
    x = 3,300.44

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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.