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Finding the Fourth Proportional to 7,087.68, 10,633.68 and 4,159.80

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Solution

The fourth proportional to 7,087.68, 10,633.68 and 4,159.80 is: 6,240.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.68 : 10,633.68 = 4,159.80 : x
  2. Step 2: Convert to fraction form
    7,087.68/10,633.68 = 4,159.80/x
  3. Step 3: Cross multiply
    7,087.68x = 10,633.68 × 4,159.80
  4. Step 4: Simplify right side
    7,087.68x = 44,233,982.06
  5. Step 5: Solve for x
    x = 44,233,982.06/7,087.68
  6. Step 6: Final answer
    x = 6,240.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.