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Finding the Fourth Proportional to 6,568.68, 9,867.60 and 5,606.40

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Solution

The fourth proportional to 6,568.68, 9,867.60 and 5,606.40 is: 8,422.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,568.68 : 9,867.60 = 5,606.40 : x
  2. Step 2: Convert to fraction form
    6,568.68/9,867.60 = 5,606.40/x
  3. Step 3: Cross multiply
    6,568.68x = 9,867.60 × 5,606.40
  4. Step 4: Simplify right side
    6,568.68x = 55,321,712.64
  5. Step 5: Solve for x
    x = 55,321,712.64/6,568.68
  6. Step 6: Final answer
    x = 8,422.04

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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.