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Finding the Fourth Proportional to 6,568.69, 9,858.94 and 4,455.20

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Solution

The fourth proportional to 6,568.69, 9,858.94 and 4,455.20 is: 6,686.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,568.69 : 9,858.94 = 4,455.20 : x
  2. Step 2: Convert to fraction form
    6,568.69/9,858.94 = 4,455.20/x
  3. Step 3: Cross multiply
    6,568.69x = 9,858.94 × 4,455.20
  4. Step 4: Simplify right side
    6,568.69x = 43,923,549.49
  5. Step 5: Solve for x
    x = 43,923,549.49/6,568.69
  6. Step 6: Final answer
    x = 6,686.81

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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.