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Finding the Fourth Proportional to 8,015.79, 11,062.04 and 4,479.15

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Solution

The fourth proportional to 8,015.79, 11,062.04 and 4,479.15 is: 6,181.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.79 : 11,062.04 = 4,479.15 : x
  2. Step 2: Convert to fraction form
    8,015.79/11,062.04 = 4,479.15/x
  3. Step 3: Cross multiply
    8,015.79x = 11,062.04 × 4,479.15
  4. Step 4: Simplify right side
    8,015.79x = 49,548,514.07
  5. Step 5: Solve for x
    x = 49,548,514.07/8,015.79
  6. Step 6: Final answer
    x = 6,181.36

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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.