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Finding the Fourth Proportional to 6,293.32, 8,685 and 3,460.81

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Solution

The fourth proportional to 6,293.32, 8,685 and 3,460.81 is: 4,776.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.32 : 8,685 = 3,460.81 : x
  2. Step 2: Convert to fraction form
    6,293.32/8,685 = 3,460.81/x
  3. Step 3: Cross multiply
    6,293.32x = 8,685 × 3,460.81
  4. Step 4: Simplify right side
    6,293.32x = 30,057,134.85
  5. Step 5: Solve for x
    x = 30,057,134.85/6,293.32
  6. Step 6: Final answer
    x = 4,776.04

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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.