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Finding the Fourth Proportional to 5,666.22, 8,453.84 and 5,403.78

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Solution

The fourth proportional to 5,666.22, 8,453.84 and 5,403.78 is: 8,062.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.22 : 8,453.84 = 5,403.78 : x
  2. Step 2: Convert to fraction form
    5,666.22/8,453.84 = 5,403.78/x
  3. Step 3: Cross multiply
    5,666.22x = 8,453.84 × 5,403.78
  4. Step 4: Simplify right side
    5,666.22x = 45,682,664.50
  5. Step 5: Solve for x
    x = 45,682,664.50/5,666.22
  6. Step 6: Final answer
    x = 8,062.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.