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Finding the Fourth Proportional to 8,846.55, 12,208.25 and 4,867.90

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Solution

The fourth proportional to 8,846.55, 12,208.25 and 4,867.90 is: 6,717.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,846.55 : 12,208.25 = 4,867.90 : x
  2. Step 2: Convert to fraction form
    8,846.55/12,208.25 = 4,867.90/x
  3. Step 3: Cross multiply
    8,846.55x = 12,208.25 × 4,867.90
  4. Step 4: Simplify right side
    8,846.55x = 59,428,521.82
  5. Step 5: Solve for x
    x = 59,428,521.82/8,846.55
  6. Step 6: Final answer
    x = 6,717.71

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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.