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Finding the Fourth Proportional to 13,497.50, 20,249.49 and 4,263.50

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Solution

The fourth proportional to 13,497.50, 20,249.49 and 4,263.50 is: 6,396.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497.50 : 20,249.49 = 4,263.50 : x
  2. Step 2: Convert to fraction form
    13,497.50/20,249.49 = 4,263.50/x
  3. Step 3: Cross multiply
    13,497.50x = 20,249.49 × 4,263.50
  4. Step 4: Simplify right side
    13,497.50x = 86,333,700.62
  5. Step 5: Solve for x
    x = 86,333,700.62/13,497.50
  6. Step 6: Final answer
    x = 6,396.27

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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.