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Finding the Fourth Proportional to 6,940.46, 9,574.63 and 4,250.86

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Solution

The fourth proportional to 6,940.46, 9,574.63 and 4,250.86 is: 5,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.46 : 9,574.63 = 4,250.86 : x
  2. Step 2: Convert to fraction form
    6,940.46/9,574.63 = 4,250.86/x
  3. Step 3: Cross multiply
    6,940.46x = 9,574.63 × 4,250.86
  4. Step 4: Simplify right side
    6,940.46x = 40,700,411.68
  5. Step 5: Solve for x
    x = 40,700,411.68/6,940.46
  6. Step 6: Final answer
    x = 5,864.22

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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.