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Finding the Fourth Proportional to 8,479.02, 11,707.99 and 5,499.91

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Solution

The fourth proportional to 8,479.02, 11,707.99 and 5,499.91 is: 7,594.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479.02 : 11,707.99 = 5,499.91 : x
  2. Step 2: Convert to fraction form
    8,479.02/11,707.99 = 5,499.91/x
  3. Step 3: Cross multiply
    8,479.02x = 11,707.99 × 5,499.91
  4. Step 4: Simplify right side
    8,479.02x = 64,392,891.28
  5. Step 5: Solve for x
    x = 64,392,891.28/8,479.02
  6. Step 6: Final answer
    x = 7,594.38

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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.