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Finding the Fourth Proportional to 9,903.70, 14,855.01 and 3,329.20

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Solution

The fourth proportional to 9,903.70, 14,855.01 and 3,329.20 is: 4,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,903.70 : 14,855.01 = 3,329.20 : x
  2. Step 2: Convert to fraction form
    9,903.70/14,855.01 = 3,329.20/x
  3. Step 3: Cross multiply
    9,903.70x = 14,855.01 × 3,329.20
  4. Step 4: Simplify right side
    9,903.70x = 49,455,299.29
  5. Step 5: Solve for x
    x = 49,455,299.29/9,903.70
  6. Step 6: Final answer
    x = 4,993.62

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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.