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Finding the Fourth Proportional to 6,007.99, 8,289.74 and 3,488.80

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Solution

The fourth proportional to 6,007.99, 8,289.74 and 3,488.80 is: 4,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,007.99 : 8,289.74 = 3,488.80 : x
  2. Step 2: Convert to fraction form
    6,007.99/8,289.74 = 3,488.80/x
  3. Step 3: Cross multiply
    6,007.99x = 8,289.74 × 3,488.80
  4. Step 4: Simplify right side
    6,007.99x = 28,921,244.91
  5. Step 5: Solve for x
    x = 28,921,244.91/6,007.99
  6. Step 6: Final answer
    x = 4,813.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.