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Finding the Fourth Proportional to 5,660.13, 8,489.07 and 2,848.21

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Solution

The fourth proportional to 5,660.13, 8,489.07 and 2,848.21 is: 4,271.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.13 : 8,489.07 = 2,848.21 : x
  2. Step 2: Convert to fraction form
    5,660.13/8,489.07 = 2,848.21/x
  3. Step 3: Cross multiply
    5,660.13x = 8,489.07 × 2,848.21
  4. Step 4: Simplify right side
    5,660.13x = 24,178,661.05
  5. Step 5: Solve for x
    x = 24,178,661.05/5,660.13
  6. Step 6: Final answer
    x = 4,271.75

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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.