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Finding the Fourth Proportional to 9,299.87, 13,949.87 and 3,060.30

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Solution

The fourth proportional to 9,299.87, 13,949.87 and 3,060.30 is: 4,590.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,299.87 : 13,949.87 = 3,060.30 : x
  2. Step 2: Convert to fraction form
    9,299.87/13,949.87 = 3,060.30/x
  3. Step 3: Cross multiply
    9,299.87x = 13,949.87 × 3,060.30
  4. Step 4: Simplify right side
    9,299.87x = 42,690,794.81
  5. Step 5: Solve for x
    x = 42,690,794.81/9,299.87
  6. Step 6: Final answer
    x = 4,590.47

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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.