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Finding the Fourth Proportional to 5,561.46, 8,351.73 and 4,938.16

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Solution

The fourth proportional to 5,561.46, 8,351.73 and 4,938.16 is: 7,415.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.46 : 8,351.73 = 4,938.16 : x
  2. Step 2: Convert to fraction form
    5,561.46/8,351.73 = 4,938.16/x
  3. Step 3: Cross multiply
    5,561.46x = 8,351.73 × 4,938.16
  4. Step 4: Simplify right side
    5,561.46x = 41,242,179.02
  5. Step 5: Solve for x
    x = 41,242,179.02/5,561.46
  6. Step 6: Final answer
    x = 7,415.71

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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.