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Finding the Fourth Proportional to 5,949.40, 8,919.24 and 4,005.40

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Solution

The fourth proportional to 5,949.40, 8,919.24 and 4,005.40 is: 6,004.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,949.40 : 8,919.24 = 4,005.40 : x
  2. Step 2: Convert to fraction form
    5,949.40/8,919.24 = 4,005.40/x
  3. Step 3: Cross multiply
    5,949.40x = 8,919.24 × 4,005.40
  4. Step 4: Simplify right side
    5,949.40x = 35,725,123.90
  5. Step 5: Solve for x
    x = 35,725,123.90/5,949.40
  6. Step 6: Final answer
    x = 6,004.83

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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.