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Finding the Fourth Proportional to 5,660.55, 8,449.43 and 5,243.63

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Solution

The fourth proportional to 5,660.55, 8,449.43 and 5,243.63 is: 7,827.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.55 : 8,449.43 = 5,243.63 : x
  2. Step 2: Convert to fraction form
    5,660.55/8,449.43 = 5,243.63/x
  3. Step 3: Cross multiply
    5,660.55x = 8,449.43 × 5,243.63
  4. Step 4: Simplify right side
    5,660.55x = 44,305,616.17
  5. Step 5: Solve for x
    x = 44,305,616.17/5,660.55
  6. Step 6: Final answer
    x = 7,827.09

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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.