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Finding the Fourth Proportional to 8,101.58, 11,179.97 and 4,699.19

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Solution

The fourth proportional to 8,101.58, 11,179.97 and 4,699.19 is: 6,484.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.58 : 11,179.97 = 4,699.19 : x
  2. Step 2: Convert to fraction form
    8,101.58/11,179.97 = 4,699.19/x
  3. Step 3: Cross multiply
    8,101.58x = 11,179.97 × 4,699.19
  4. Step 4: Simplify right side
    8,101.58x = 52,536,820.29
  5. Step 5: Solve for x
    x = 52,536,820.29/8,101.58
  6. Step 6: Final answer
    x = 6,484.76

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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.