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Finding the Fourth Proportional to 8,568.48, 11,824.06 and 4,790.91

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Solution

The fourth proportional to 8,568.48, 11,824.06 and 4,790.91 is: 6,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.48 : 11,824.06 = 4,790.91 : x
  2. Step 2: Convert to fraction form
    8,568.48/11,824.06 = 4,790.91/x
  3. Step 3: Cross multiply
    8,568.48x = 11,824.06 × 4,790.91
  4. Step 4: Simplify right side
    8,568.48x = 56,648,007.29
  5. Step 5: Solve for x
    x = 56,648,007.29/8,568.48
  6. Step 6: Final answer
    x = 6,611.21

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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.