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Finding the Fourth Proportional to 11,745.72, 17,624.95 and 6,818.89

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Solution

The fourth proportional to 11,745.72, 17,624.95 and 6,818.89 is: 10,232.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.72 : 17,624.95 = 6,818.89 : x
  2. Step 2: Convert to fraction form
    11,745.72/17,624.95 = 6,818.89/x
  3. Step 3: Cross multiply
    11,745.72x = 17,624.95 × 6,818.89
  4. Step 4: Simplify right side
    11,745.72x = 120,182,595.31
  5. Step 5: Solve for x
    x = 120,182,595.31/11,745.72
  6. Step 6: Final answer
    x = 10,232.03

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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.