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Finding the Fourth Proportional to 11,872.71, 17,808.42 and 6,029.19

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Solution

The fourth proportional to 11,872.71, 17,808.42 and 6,029.19 is: 9,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872.71 : 17,808.42 = 6,029.19 : x
  2. Step 2: Convert to fraction form
    11,872.71/17,808.42 = 6,029.19/x
  3. Step 3: Cross multiply
    11,872.71x = 17,808.42 × 6,029.19
  4. Step 4: Simplify right side
    11,872.71x = 107,370,347.78
  5. Step 5: Solve for x
    x = 107,370,347.78/11,872.71
  6. Step 6: Final answer
    x = 9,043.46

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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.