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Finding the Fourth Proportional to 11,673.31, 17,472.43 and 6,118.87

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Solution

The fourth proportional to 11,673.31, 17,472.43 and 6,118.87 is: 9,158.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.31 : 17,472.43 = 6,118.87 : x
  2. Step 2: Convert to fraction form
    11,673.31/17,472.43 = 6,118.87/x
  3. Step 3: Cross multiply
    11,673.31x = 17,472.43 × 6,118.87
  4. Step 4: Simplify right side
    11,673.31x = 106,911,527.75
  5. Step 5: Solve for x
    x = 106,911,527.75/11,673.31
  6. Step 6: Final answer
    x = 9,158.63

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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.