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Finding the Fourth Proportional to 9,087.49, 13,637.49 and 3,540.88

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Solution

The fourth proportional to 9,087.49, 13,637.49 and 3,540.88 is: 5,313.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.49 : 13,637.49 = 3,540.88 : x
  2. Step 2: Convert to fraction form
    9,087.49/13,637.49 = 3,540.88/x
  3. Step 3: Cross multiply
    9,087.49x = 13,637.49 × 3,540.88
  4. Step 4: Simplify right side
    9,087.49x = 48,288,715.59
  5. Step 5: Solve for x
    x = 48,288,715.59/9,087.49
  6. Step 6: Final answer
    x = 5,313.76

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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.