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Finding the Fourth Proportional to 11,808.58, 17,709.51 and 4,017.22

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Solution

The fourth proportional to 11,808.58, 17,709.51 and 4,017.22 is: 6,024.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808.58 : 17,709.51 = 4,017.22 : x
  2. Step 2: Convert to fraction form
    11,808.58/17,709.51 = 4,017.22/x
  3. Step 3: Cross multiply
    11,808.58x = 17,709.51 × 4,017.22
  4. Step 4: Simplify right side
    11,808.58x = 71,142,997.76
  5. Step 5: Solve for x
    x = 71,142,997.76/11,808.58
  6. Step 6: Final answer
    x = 6,024.69

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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.