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Finding the Fourth Proportional to 6,544.08, 9,815.07 and 5,440.59

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Solution

The fourth proportional to 6,544.08, 9,815.07 and 5,440.59 is: 8,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,544.08 : 9,815.07 = 5,440.59 : x
  2. Step 2: Convert to fraction form
    6,544.08/9,815.07 = 5,440.59/x
  3. Step 3: Cross multiply
    6,544.08x = 9,815.07 × 5,440.59
  4. Step 4: Simplify right side
    6,544.08x = 53,399,771.69
  5. Step 5: Solve for x
    x = 53,399,771.69/6,544.08
  6. Step 6: Final answer
    x = 8,160.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.