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Finding the Fourth Proportional to 6,225.64, 8,591.04 and 3,867.76

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Solution

The fourth proportional to 6,225.64, 8,591.04 and 3,867.76 is: 5,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,225.64 : 8,591.04 = 3,867.76 : x
  2. Step 2: Convert to fraction form
    6,225.64/8,591.04 = 3,867.76/x
  3. Step 3: Cross multiply
    6,225.64x = 8,591.04 × 3,867.76
  4. Step 4: Simplify right side
    6,225.64x = 33,228,080.87
  5. Step 5: Solve for x
    x = 33,228,080.87/6,225.64
  6. Step 6: Final answer
    x = 5,337.30

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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.