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Finding the Fourth Proportional to 6,366.05, 8,784.98 and 3,713.28

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Solution

The fourth proportional to 6,366.05, 8,784.98 and 3,713.28 is: 5,124.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,366.05 : 8,784.98 = 3,713.28 : x
  2. Step 2: Convert to fraction form
    6,366.05/8,784.98 = 3,713.28/x
  3. Step 3: Cross multiply
    6,366.05x = 8,784.98 × 3,713.28
  4. Step 4: Simplify right side
    6,366.05x = 32,621,071.97
  5. Step 5: Solve for x
    x = 32,621,071.97/6,366.05
  6. Step 6: Final answer
    x = 5,124.23

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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.