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Finding the Fourth Proportional to 5,845.20, 8,047.74 and 5,447.76

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Solution

The fourth proportional to 5,845.20, 8,047.74 and 5,447.76 is: 7,500.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,845.20 : 8,047.74 = 5,447.76 : x
  2. Step 2: Convert to fraction form
    5,845.20/8,047.74 = 5,447.76/x
  3. Step 3: Cross multiply
    5,845.20x = 8,047.74 × 5,447.76
  4. Step 4: Simplify right side
    5,845.20x = 43,842,156.06
  5. Step 5: Solve for x
    x = 43,842,156.06/5,845.20
  6. Step 6: Final answer
    x = 7,500.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.