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Finding the Fourth Proportional to 9,485, 14,227.50 and 3,329

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Solution

The fourth proportional to 9,485, 14,227.50 and 3,329 is: 4,993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,485 : 14,227.50 = 3,329 : x
  2. Step 2: Convert to fraction form
    9,485/14,227.50 = 3,329/x
  3. Step 3: Cross multiply
    9,485x = 14,227.50 × 3,329
  4. Step 4: Simplify right side
    9,485x = 47,363,347.50
  5. Step 5: Solve for x
    x = 47,363,347.50/9,485
  6. Step 6: Final answer
    x = 4,993.50

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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.