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Finding the Fourth Proportional to 8,568.84, 11,824.04 and 4,842.84

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Solution

The fourth proportional to 8,568.84, 11,824.04 and 4,842.84 is: 6,682.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.84 : 11,824.04 = 4,842.84 : x
  2. Step 2: Convert to fraction form
    8,568.84/11,824.04 = 4,842.84/x
  3. Step 3: Cross multiply
    8,568.84x = 11,824.04 × 4,842.84
  4. Step 4: Simplify right side
    8,568.84x = 57,261,933.87
  5. Step 5: Solve for x
    x = 57,261,933.87/8,568.84
  6. Step 6: Final answer
    x = 6,682.58

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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.