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Finding the Fourth Proportional to 8,469.54, 11,685.06 and 4,933.89

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Solution

The fourth proportional to 8,469.54, 11,685.06 and 4,933.89 is: 6,807.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,469.54 : 11,685.06 = 4,933.89 : x
  2. Step 2: Convert to fraction form
    8,469.54/11,685.06 = 4,933.89/x
  3. Step 3: Cross multiply
    8,469.54x = 11,685.06 × 4,933.89
  4. Step 4: Simplify right side
    8,469.54x = 57,652,800.68
  5. Step 5: Solve for x
    x = 57,652,800.68/8,469.54
  6. Step 6: Final answer
    x = 6,807.08

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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.