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Finding the Fourth Proportional to 6,293.68, 8,685.09 and 3,461.05

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Solution

The fourth proportional to 6,293.68, 8,685.09 and 3,461.05 is: 4,776.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.68 : 8,685.09 = 3,461.05 : x
  2. Step 2: Convert to fraction form
    6,293.68/8,685.09 = 3,461.05/x
  3. Step 3: Cross multiply
    6,293.68x = 8,685.09 × 3,461.05
  4. Step 4: Simplify right side
    6,293.68x = 30,059,530.74
  5. Step 5: Solve for x
    x = 30,059,530.74/6,293.68
  6. Step 6: Final answer
    x = 4,776.15

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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.