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Finding the Fourth Proportional to 8,544.16, 11,789.04 and 5,007.16

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Solution

The fourth proportional to 8,544.16, 11,789.04 and 5,007.16 is: 6,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.16 : 11,789.04 = 5,007.16 : x
  2. Step 2: Convert to fraction form
    8,544.16/11,789.04 = 5,007.16/x
  3. Step 3: Cross multiply
    8,544.16x = 11,789.04 × 5,007.16
  4. Step 4: Simplify right side
    8,544.16x = 59,029,609.53
  5. Step 5: Solve for x
    x = 59,029,609.53/8,544.16
  6. Step 6: Final answer
    x = 6,908.77

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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.