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Finding the Fourth Proportional to 6,295.68, 8,685.84 and 4,201.08

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Solution

The fourth proportional to 6,295.68, 8,685.84 and 4,201.08 is: 5,796.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,295.68 : 8,685.84 = 4,201.08 : x
  2. Step 2: Convert to fraction form
    6,295.68/8,685.84 = 4,201.08/x
  3. Step 3: Cross multiply
    6,295.68x = 8,685.84 × 4,201.08
  4. Step 4: Simplify right side
    6,295.68x = 36,489,908.71
  5. Step 5: Solve for x
    x = 36,489,908.71/6,295.68
  6. Step 6: Final answer
    x = 5,796.02

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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.